20828498796 has 54 divisors (see below), whose sum is σ = 61245709980. Its totient is φ = 5950999152.

The previous prime is 20828498749. The next prime is 20828498807. The reversal of 20828498796 is 69789482802.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5902006 + ... + 5905533.

Almost surely, 2^20828498796 is an apocalyptic number.

It is an amenable number.

20828498796 is an abundant number, since it is smaller than the sum of its proper divisors (40417211184).

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

20828498796 is a wasteful number, since it uses less digits than its factorization.

20828498796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11807563 (or 11807551 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The spelling of 20828498796 in words is "twenty billion, eight hundred twenty-eight million, four hundred ninety-eight thousand, seven hundred ninety-six".