20366465 has 16 divisors (see below), whose sum is σ = 28687872. Its totient is φ = 13587264.

The previous prime is 20366453. The next prime is 20366483. The reversal of 20366465 is 56466302.

It is a cyclic number.

It is not a de Polignac number, because 20366465 - 2⁴ = 20366449 is a prime.

It is a Duffinian number.

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, 6569 + ... + 9158.

It is an arithmetic number, because the mean of its divisors is an integer number (1792992).

Almost surely, 2^20366465 is an apocalyptic number.

It is an amenable number.

20366465 is a deficient number, since it is larger than the sum of its proper divisors (8321407).

20366465 is a wasteful number, since it uses less digits than its factorization.

20366465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15776.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 20366465 is about 4512.9220024281. The cubic root of 20366465 is about 273.0896358865.

The spelling of 20366465 in words is "twenty million, three hundred sixty-six thousand, four hundred sixty-five".