20042032635 has 16 divisors (see below), whose sum is σ = 35630280480. Its totient is φ = 10689084000.

The previous prime is 20042032613. The next prime is 20042032639. The reversal of 20042032635 is 53623024002.

20042032635 is a `hidden beast` number, since 2 + 0 + 0 + 4 + 20 + 3 + 2 + 635 = 666.

It is not a de Polignac number, because 20042032635 - 2⁸ = 20042032379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20042032599 and 20042032608.

It is not an unprimeable number, because it can be changed into a prime (20042032639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74229616 + ... + 74229885.

It is an arithmetic number, because the mean of its divisors is an integer number (2226892530).

Almost surely, 2^20042032635 is an apocalyptic number.

20042032635 is a deficient number, since it is larger than the sum of its proper divisors (15588247845).

20042032635 is a wasteful number, since it uses less digits than its factorization.

20042032635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148459515 (or 148459509 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 20042032635 its reverse (53623024002), we get a palindrome (73665056637).

The spelling of 20042032635 in words is "twenty billion, forty-two million, thirty-two thousand, six hundred thirty-five".