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20201102232 = 2333740955621
BaseRepresentation
bin10010110100000101…
…000101101110011000
31221010211221022122120
4102310011011232120
5312332440232412
613140311421240
71313413351533
oct226405055630
957124838576
1020201102232
118626aa5113
123ab9384820
131b9c25983c
14d98cb3a1a
157d3741b8c
hex4b4145b98

20201102232 has 64 divisors (see below), whose sum is σ = 51995445600. Its totient is φ = 6535572480.

The previous prime is 20201102209. The next prime is 20201102249. The reversal of 20201102232 is 23220110202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335382 + ... + 391002.

Almost surely, 220201102232 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 20201102232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25997722800).

20201102232 is an abundant number, since it is smaller than the sum of its proper divisors (31794343368).

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

20201102232 is a wasteful number, since it uses less digits than its factorization.

20201102232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56076 (or 56072 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20201102232 its reverse (23220110202), we get a palindrome (43421212434).

The spelling of 20201102232 in words is "twenty billion, two hundred one million, one hundred two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 296 409 444 818 888 1227 1636 2454 3272 4908 9816 15133 30266 45399 55621 60532 90798 111242 121064 166863 181596 222484 333726 363192 444968 667452 1334904 2057977 4115954 6173931 8231908 12347862 16463816 22748989 24695724 45497978 49391448 68246967 90995956 136493934 181991912 272987868 545975736 841712593 1683425186 2525137779 3366850372 5050275558 6733700744 10100551116 20201102232