18828901020 has 48 divisors (see below), whose sum is σ = 52939722528. Its totient is φ = 5000202240.

The previous prime is 18828900973. The next prime is 18828901027. The reversal of 18828901020 is 2010982881.

It is a self number, because there is not a number n which added to its sum of digits gives 18828901020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18828901027) 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, 636609 + ... + 665528.

It is an arithmetic number, because the mean of its divisors is an integer number (1102910886).

Almost surely, 2^18828901020 is an apocalyptic number.

18828901020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18828901020 is an abundant number, since it is smaller than the sum of its proper divisors (34110821508).

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

18828901020 is a wasteful number, since it uses less digits than its factorization.

18828901020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302390 (or 1302388 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 39.

The spelling of 18828901020 in words is "eighteen billion, eight hundred twenty-eight million, nine hundred one thousand, twenty".