20375020 has 24 divisors (see below), whose sum is σ = 42928704. Its totient is φ = 8123136.

The previous prime is 20375009. The next prime is 20375039. The reversal of 20375020 is 2057302.

It is a happy number.

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, 5229 + ... + 8251.

It is an arithmetic number, because the mean of its divisors is an integer number (1788696).

Almost surely, 2^20375020 is an apocalyptic number.

20375020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20375020 is an abundant number, since it is smaller than the sum of its proper divisors (22553684).

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

20375020 is a wasteful number, since it uses less digits than its factorization.

20375020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369 (or 3367 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 20375020 is about 4513.8697367115. The cubic root of 20375020 is about 273.1278679310.

The spelling of 20375020 in words is "twenty million, three hundred seventy-five thousand, twenty".