103720029680 has 20 divisors (see below), whose sum is σ = 241149069192. Its totient is φ = 41488011840.

The previous prime is 103720029667. The next prime is 103720029731. The reversal of 103720029680 is 86920027301.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648250106 + ... + 648250265.

Almost surely, 2^103720029680 is an apocalyptic number.

103720029680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103720029680 is an abundant number, since it is smaller than the sum of its proper divisors (137429039512).

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

103720029680 is a wasteful number, since it uses less digits than its factorization.

103720029680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296500384 (or 1296500378 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 103720029680 in words is "one hundred three billion, seven hundred twenty million, twenty-nine thousand, six hundred eighty".