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20201001132 = 223134310632833
BaseRepresentation
bin10010110100000100…
…101101000010101100
31221010211202011222010
4102310010231002230
5312332424014012
613140305321220
71313412451014
oct226404550254
957124664863
1020201001132
118626a36164
123ab9336210
131b9c222810
14d98c88c44
157d3721c3c
hex4b412d0ac

20201001132 has 96 divisors (see below), whose sum is σ = 52009205248. Its totient is φ = 6063289344.

The previous prime is 20201001109. The next prime is 20201001137. The reversal of 20201001132 is 23110010202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (20201001137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7129188 + ... + 7132020.

Almost surely, 220201001132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20201001132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26004602624).

20201001132 is an abundant number, since it is smaller than the sum of its proper divisors (31808204116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20201001132 is a wasteful number, since it uses less digits than its factorization.

20201001132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959 (or 3957 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20201001132 its reverse (23110010202), we get a palindrome (43311011334).

The spelling of 20201001132 in words is "twenty billion, two hundred one million, one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 13 26 39 43 52 78 86 129 156 172 258 516 559 1063 1118 1677 2126 2236 2833 3189 3354 4252 5666 6378 6708 8499 11332 12756 13819 16998 27638 33996 36829 41457 45709 55276 73658 82914 91418 110487 121819 137127 147316 165828 182836 220974 243638 274254 365457 441948 487276 548508 594217 730914 1188434 1461828 1583647 1782651 2376868 3011479 3167294 3565302 4750941 6022958 6334588 7130604 9034437 9501882 12045916 18068874 19003764 36137748 39149227 78298454 117447681 129493597 156596908 234895362 258987194 388480791 469790724 517974388 776961582 1553923164 1683416761 3366833522 5050250283 6733667044 10100500566 20201001132