20460854120 has 32 divisors (see below), whose sum is σ = 52613625600. Its totient is φ = 7015149888.

The previous prime is 20460854003. The next prime is 20460854147. The reversal of 20460854120 is 2145806402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36536960 + ... + 36537519.

It is an arithmetic number, because the mean of its divisors is an integer number (1644175800).

Almost surely, 2^20460854120 is an apocalyptic number.

20460854120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20460854120 is an abundant number, since it is smaller than the sum of its proper divisors (32152771480).

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

20460854120 is a wasteful number, since it uses less digits than its factorization.

20460854120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73074497 (or 73074493 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 20460854120 in words is "twenty billion, four hundred sixty million, eight hundred fifty-four thousand, one hundred twenty".