20102101024635 has 24 divisors (see below), whose sum is σ = 39821304887520. Its totient is φ = 9189531896832.

The previous prime is 20102101024633. The next prime is 20102101024657. The reversal of 20102101024635 is 53642010120102.

20102101024635 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 2 + 1 + 0 + 1 + 0 + 24 + 635 = 666.

It is not a de Polignac number, because 20102101024635 - 2¹ = 20102101024633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20102101024599 and 20102101024608.

It is not an unprimeable number, because it can be changed into a prime (20102101024633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31908096550 + ... + 31908097179.

It is an arithmetic number, because the mean of its divisors is an integer number (1659221036980).

Almost surely, 2^{20102101024635} is an apocalyptic number.

20102101024635 is a deficient number, since it is larger than the sum of its proper divisors (19719203862885).

20102101024635 is a wasteful number, since it uses less digits than its factorization.

20102101024635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63816193747 (or 63816193744 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 20102101024635 its reverse (53642010120102), we get a palindrome (73744111144737).

The spelling of 20102101024635 in words is "twenty trillion, one hundred two billion, one hundred one million, twenty-four thousand, six hundred thirty-five".