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20220220132 = 22737151112917
BaseRepresentation
bin10010110101001110…
…000001001011100100
31221012011220121110221
4102311032001023210
5312402334021012
613142233254124
71314035015050
oct226516011344
957164817427
1020220220132
118636872732
123b03864344
131ba31c15c8
14d9b64cc60
157d526b507
hex4b53812e4

20220220132 has 48 divisors (see below), whose sum is σ = 41564130048. Its totient is φ = 8425365120.

The previous prime is 20220220123. The next prime is 20220220171. The reversal of 20220220132 is 23102202202.

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, 1558938 + ... + 1571854.

It is an arithmetic number, because the mean of its divisors is an integer number (865919376).

Almost surely, 220220220132 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 20220220132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20782065024).

20220220132 is an abundant number, since it is smaller than the sum of its proper divisors (21343909916).

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

20220220132 is a wasteful number, since it uses less digits than its factorization.

20220220132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14476 (or 14474 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20220220132 its reverse (23102202202), we get a palindrome (43322422334).

The spelling of 20220220132 in words is "twenty billion, two hundred twenty million, two hundred twenty thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 1511 3022 6044 10577 12917 21154 25834 42308 51668 55907 90419 111814 180838 223628 361676 391349 477929 782698 955858 1565396 1911716 3345503 6691006 13382012 19517587 39035174 78070348 136623109 273246218 546492436 722150719 1444301438 2888602876 5055055033 10110110066 20220220132