103071520020 has 48 divisors (see below), whose sum is σ = 329828865408. Its totient is φ = 23559204480.

The previous prime is 103071520001. The next prime is 103071520037. The reversal of 103071520020 is 20025170301.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 122703771 + ... + 122704610.

It is an arithmetic number, because the mean of its divisors is an integer number (6871434696).

Almost surely, 2^103071520020 is an apocalyptic number.

103071520020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103071520020 is an abundant number, since it is smaller than the sum of its proper divisors (226757345388).

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

103071520020 is a wasteful number, since it uses less digits than its factorization.

103071520020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245408400 (or 245408398 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

Adding to 103071520020 its reverse (20025170301), we get a palindrome (123096690321).

The spelling of 103071520020 in words is "one hundred three billion, seventy-one million, five hundred twenty thousand, twenty".