20396607 has 48 divisors (see below), whose sum is σ = 35750400. Its totient is φ = 10105920.

The previous prime is 20396591. The next prime is 20396681. The reversal of 20396607 is 70669302.

It is not a de Polignac number, because 20396607 - 2⁴ = 20396591 is a prime.

It is a super-2 number, since 2×20396607² = 832043154224898, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20396687) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58269 + ... + 58617.

It is an arithmetic number, because the mean of its divisors is an integer number (744800).

Almost surely, 2^20396607 is an apocalyptic number.

20396607 is a deficient number, since it is larger than the sum of its proper divisors (15353793).

20396607 is a wasteful number, since it uses less digits than its factorization.

20396607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 20396607 is about 4516.2602892216. The cubic root of 20396607 is about 273.2242920534.

It can be divided in two parts, 2039 and 6607, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 20396607 in words is "twenty million, three hundred ninety-six thousand, six hundred seven".