120434172420 has 48 divisors (see below), whose sum is σ = 338559213888. Its totient is φ = 31987824000.

The previous prime is 120434172409. The next prime is 120434172437. The reversal of 120434172420 is 24271434021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3983419 + ... + 4013538.

It is an arithmetic number, because the mean of its divisors is an integer number (7053316956).

Almost surely, 2^120434172420 is an apocalyptic number.

120434172420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120434172420 is an abundant number, since it is smaller than the sum of its proper divisors (218125041468).

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

120434172420 is a wasteful number, since it uses less digits than its factorization.

120434172420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7997220 (or 7997218 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The spelling of 120434172420 in words is "one hundred twenty billion, four hundred thirty-four million, one hundred seventy-two thousand, four hundred twenty".