20202648884 has 24 divisors (see below), whose sum is σ = 38607695616. Its totient is φ = 9173736000.

The previous prime is 20202648877. The next prime is 20202648901. The reversal of 20202648884 is 48884620202.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188057 + ... + 275264.

It is an arithmetic number, because the mean of its divisors is an integer number (1608653984).

Almost surely, 2^20202648884 is an apocalyptic number.

It is an amenable number.

20202648884 is a deficient number, since it is larger than the sum of its proper divisors (18405046732).

20202648884 is a wasteful number, since it uses less digits than its factorization.

20202648884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464327 (or 464325 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 44.

The spelling of 20202648884 in words is "twenty billion, two hundred two million, six hundred forty-eight thousand, eight hundred eighty-four".