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20100020302 = 2101632315737
BaseRepresentation
bin10010101110000011…
…011111100001001110
31220212210201211022101
4102232003133201032
5312131101122202
613122301105314
71311045232165
oct225603374116
956783654271
1020100020302
118584a3482a
123a8b55823a
131b8432774b
14d896c03dc
157c9926887
hex4ae0df84e

20100020302 has 16 divisors (see below), whose sum is σ = 30455296272. Its totient is φ = 9948299200.

The previous prime is 20100020287. The next prime is 20100020309. The reversal of 20100020302 is 20302000102.

It is a super-2 number, since 2×201000203022 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100020309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1269378 + ... + 1285114.

It is an arithmetic number, because the mean of its divisors is an integer number (1903456017).

Almost surely, 220100020302 is an apocalyptic number.

20100020302 is a deficient number, since it is larger than the sum of its proper divisors (10355275970).

20100020302 is a wasteful number, since it uses less digits than its factorization.

20100020302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22163.

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 20100020302 its reverse (20302000102), we get a palindrome (40402020404).

The spelling of 20100020302 in words is "twenty billion, one hundred million, twenty thousand, three hundred two".

Divisors: 1 2 101 202 6323 12646 15737 31474 638623 1277246 1589437 3178874 99505051 199010102 10050010151 20100020302