20048800820 has 24 divisors (see below), whose sum is σ = 42117317928. Its totient is φ = 8016694400.

The previous prime is 20048800813. The next prime is 20048800823. The reversal of 20048800820 is 2800884002.

It can be written as a sum of positive squares in 4 ways, for example, as 126607504 + 19922193316 = 11252^2 + 141146^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20048800823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117971 + ... + 232410.

It is an arithmetic number, because the mean of its divisors is an integer number (1754888247).

Almost surely, 2^20048800820 is an apocalyptic number.

20048800820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20048800820 is an abundant number, since it is smaller than the sum of its proper divisors (22068517108).

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

20048800820 is a wasteful number, since it uses less digits than its factorization.

20048800820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353251 (or 353249 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The spelling of 20048800820 in words is "twenty billion, forty-eight million, eight hundred thousand, eight hundred twenty".