20883798404 has 24 divisors (see below), whose sum is σ = 41816268480. Its totient is φ = 8939769696.

The previous prime is 20883798401. The next prime is 20883798431. The reversal of 20883798404 is 40489738802.

It is a happy number.

It is a super-2 number, since 2×20883798404² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20883798401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410087 + ... + 458190.

It is an arithmetic number, because the mean of its divisors is an integer number (1742344520).

Almost surely, 2^20883798404 is an apocalyptic number.

It is an amenable number.

20883798404 is an abundant number, since it is smaller than the sum of its proper divisors (20932470076).

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

20883798404 is a wasteful number, since it uses less digits than its factorization.

20883798404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869147 (or 869145 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 20883798404 in words is "twenty billion, eight hundred eighty-three million, seven hundred ninety-eight thousand, four hundred four".