15970020 has 48 divisors (see below), whose sum is σ = 48783168. Its totient is φ = 3871360.

The previous prime is 15970007. The next prime is 15970049. The reversal of 15970020 is 2007951.

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, 11439 + ... + 12758.

It is an arithmetic number, because the mean of its divisors is an integer number (1016316).

Almost surely, 2^15970020 is an apocalyptic number.

15970020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15970020 is an abundant number, since it is smaller than the sum of its proper divisors (32813148).

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

15970020 is a wasteful number, since it uses less digits than its factorization.

15970020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24220 (or 24218 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 15970020 is about 3996.2507428839. The cubic root of 15970020 is about 251.8267264386.

Adding to 15970020 its reverse (2007951), we get a palindrome (17977971).

The spelling of 15970020 in words is "fifteen million, nine hundred seventy thousand, twenty".