20296965 has 16 divisors (see below), whose sum is σ = 34973568. Its totient is φ = 9992256.

The previous prime is 20296951. The next prime is 20296973. The reversal of 20296965 is 56969202.

It is not a de Polignac number, because 20296965 - 2⁴ = 20296949 is a prime.

It is a super-2 number, since 2×20296965² = 823933576422450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent 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, 51849 + ... + 52238.

It is an arithmetic number, because the mean of its divisors is an integer number (2185848).

Almost surely, 2^20296965 is an apocalyptic number.

It is an amenable number.

20296965 is a deficient number, since it is larger than the sum of its proper divisors (14676603).

20296965 is a wasteful number, since it uses less digits than its factorization.

20296965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104108.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 20296965 is about 4505.2153111699. The cubic root of 20296965 is about 272.7786449186.

The spelling of 20296965 in words is "twenty million, two hundred ninety-six thousand, nine hundred sixty-five".