20008535502 has 16 divisors (see below), whose sum is σ = 40050628560. Its totient is φ = 6663918912.

The previous prime is 20008535483. The next prime is 20008535507. The reversal of 20008535502 is 20553580002.

It is a self number, because there is not a number n which added to its sum of digits gives 20008535502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20008535507) 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, 1390477 + ... + 1404792.

It is an arithmetic number, because the mean of its divisors is an integer number (2503164285).

Almost surely, 2^20008535502 is an apocalyptic number.

20008535502 is an abundant number, since it is smaller than the sum of its proper divisors (20042093058).

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

20008535502 is a wasteful number, since it uses less digits than its factorization.

20008535502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796467.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 20008535502 in words is "twenty billion, eight million, five hundred thirty-five thousand, five hundred two".