18299296020 has 24 divisors (see below), whose sum is σ = 51238029024. Its totient is φ = 4879812256.

The previous prime is 18299295967. The next prime is 18299296021. The reversal of 18299296020 is 2069299281.

It is a happy number.

It is a super-3 number, since 3×18299296020³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18299296021) 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, 152494074 + ... + 152494193.

It is an arithmetic number, because the mean of its divisors is an integer number (2134917876).

Almost surely, 2^18299296020 is an apocalyptic number.

18299296020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18299296020 is an abundant number, since it is smaller than the sum of its proper divisors (32938733004).

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

18299296020 is a wasteful number, since it uses less digits than its factorization.

18299296020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304988279 (or 304988277 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The spelling of 18299296020 in words is "eighteen billion, two hundred ninety-nine million, two hundred ninety-six thousand, twenty".