20376057 has 16 divisors (see below), whose sum is σ = 29973888. Its totient is φ = 12232320.

The previous prime is 20376053. The next prime is 20376061. The reversal of 20376057 is 75067302.

It is an interprime number because it is at equal distance from previous prime (20376053) and next prime (20376061).

It is not a de Polignac number, because 20376057 - 2² = 20376053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20376053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4773 + ... + 7970.

It is an arithmetic number, because the mean of its divisors is an integer number (1873368).

Almost surely, 2^20376057 is an apocalyptic number.

It is an amenable number.

20376057 is a deficient number, since it is larger than the sum of its proper divisors (9597831).

20376057 is a wasteful number, since it uses less digits than its factorization.

20376057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12800.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 20376057 is about 4513.9846034297. The cubic root of 20376057 is about 273.1325015264.

The spelling of 20376057 in words is "twenty million, three hundred seventy-six thousand, fifty-seven".