20376969 has 16 divisors (see below), whose sum is σ = 28028352. Its totient is φ = 13160448.

The previous prime is 20376953. The next prime is 20377037. The reversal of 20376969 is 96967302.

It is not a de Polignac number, because 20376969 - 2⁴ = 20376953 is a prime.

It is a super-2 number, since 2×20376969² = 830441731253922, which contains 22 as substring.

It is a Curzon number.

It is a zygodrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 20376969.

It is not an unprimeable number, because it can be changed into a prime (20376469) 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, 17097 + ... + 18249.

It is an arithmetic number, because the mean of its divisors is an integer number (1751772).

Almost surely, 2^20376969 is an apocalyptic number.

It is an amenable number.

20376969 is a deficient number, since it is larger than the sum of its proper divisors (7651383).

20376969 is a wasteful number, since it uses less digits than its factorization.

20376969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 20376969 is about 4514.0856216957. The cubic root of 20376969 is about 273.1365764581.

The spelling of 20376969 in words is "twenty million, three hundred seventy-six thousand, nine hundred sixty-nine".