20002022136 has 48 divisors (see below), whose sum is σ = 54315151800. Its totient is φ = 6649739712.

The previous prime is 20002022107. The next prime is 20002022143. The reversal of 20002022136 is 63122020002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 339211 + ... + 393786.

Almost surely, 2^20002022136 is an apocalyptic number.

It is an amenable number.

20002022136 is an abundant number, since it is smaller than the sum of its proper divisors (34313129664).

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

20002022136 is a wasteful number, since it uses less digits than its factorization.

20002022136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733388 (or 733381 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20002022136 its reverse (63122020002), we get a palindrome (83124042138).

The spelling of 20002022136 in words is "twenty billion, two million, twenty-two thousand, one hundred thirty-six".