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20202112202 = 211389389877
BaseRepresentation
bin10010110100001000…
…111100010011001010
31221010220211122001212
4102310020330103022
5312333220042302
613140345213122
71313425056206
oct226410742312
957126748055
1020202112202
1186276249a8
123ab97911a2
131b9c52145c
14d99097b06
157d3891052
hex4b423c4ca

20202112202 has 8 divisors (see below), whose sum is σ = 30571338276. Its totient is φ = 10011666112.

The previous prime is 20202112193. The next prime is 20202112223. The reversal of 20202112202 is 20221120202.

It can be written as a sum of positive squares in 2 ways, for example, as 20181327721 + 20784481 = 142061^2 + 4559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44694713 + ... + 44695164.

Almost surely, 220202112202 is an apocalyptic number.

20202112202 is a deficient number, since it is larger than the sum of its proper divisors (10369226074).

20202112202 is a wasteful number, since it uses less digits than its factorization.

20202112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89389992.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20202112202 its reverse (20221120202), we get a palindrome (40423232404).

The spelling of 20202112202 in words is "twenty billion, two hundred two million, one hundred twelve thousand, two hundred two".

Divisors: 1 2 113 226 89389877 178779754 10101056101 20202112202