20373601 has 4 divisors (see below), whose sum is σ = 20487600. Its totient is φ = 20259604.

The previous prime is 20373593. The next prime is 20373611. The reversal of 20373601 is 10637302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20373601 - 2³ = 20373593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20373611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56731 + ... + 57088.

It is an arithmetic number, because the mean of its divisors is an integer number (5121900).

Almost surely, 2^20373601 is an apocalyptic number.

It is an amenable number.

20373601 is a deficient number, since it is larger than the sum of its proper divisors (113999).

20373601 is a wasteful number, since it uses less digits than its factorization.

20373601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113998.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 20373601 is about 4513.7125517693. The cubic root of 20373601 is about 273.1215272020.

The spelling of 20373601 in words is "twenty million, three hundred seventy-three thousand, six hundred one".