20375970 has 32 divisors (see below), whose sum is σ = 49049280. Its totient is φ = 5417280.

The previous prime is 20375969. The next prime is 20375977. The reversal of 20375970 is 7957302.

It is not an unprimeable number, because it can be changed into a prime (20375977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11760 + ... + 13380.

It is an arithmetic number, because the mean of its divisors is an integer number (1532790).

Almost surely, 2^20375970 is an apocalyptic number.

20375970 is an abundant number, since it is smaller than the sum of its proper divisors (28673310).

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

20375970 is a wasteful number, since it uses less digits than its factorization.

20375970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050.

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 20375970 is about 4513.9749667006. The cubic root of 20375970 is about 273.1321127930.

The spelling of 20375970 in words is "twenty million, three hundred seventy-five thousand, nine hundred seventy".