20013498804 has 48 divisors (see below), whose sum is σ = 50390508672. Its totient is φ = 6145732992.

The previous prime is 20013498793. The next prime is 20013498809. The reversal of 20013498804 is 40889431002.

It is a Smith number, since the sum of its digits (39) 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 (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013498809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49059 + ... + 205994.

It is an arithmetic number, because the mean of its divisors is an integer number (1049802264).

Almost surely, 2^20013498804 is an apocalyptic number.

It is an amenable number.

20013498804 is an abundant number, since it is smaller than the sum of its proper divisors (30377009868).

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

20013498804 is a wasteful number, since it uses less digits than its factorization.

20013498804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255576 (or 255574 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 20013498804 in words is "twenty billion, thirteen million, four hundred ninety-eight thousand, eight hundred four".