1516375020 has 24 divisors (see below), whose sum is σ = 4245850224. Its totient is φ = 404366656.

The previous prime is 1516375019. The next prime is 1516375097. The reversal of 1516375020 is 205736151.

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 7 ways as a sum of consecutive naturals, for example, 12636399 + ... + 12636518.

It is an arithmetic number, because the mean of its divisors is an integer number (176910426).

Almost surely, 2^1516375020 is an apocalyptic number.

1516375020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1516375020 is an abundant number, since it is smaller than the sum of its proper divisors (2729475204).

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

1516375020 is a wasteful number, since it uses less digits than its factorization.

1516375020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25272929 (or 25272927 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 1516375020 is about 38940.6602409358. The cubic root of 1516375020 is about 1148.8646690599.

The spelling of 1516375020 in words is "one billion, five hundred sixteen million, three hundred seventy-five thousand, twenty".