20373153 has 4 divisors (see below), whose sum is σ = 27164208. Its totient is φ = 13582100.

The previous prime is 20373151. The next prime is 20373173. The reversal of 20373153 is 35137302.

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 20373153 - 2¹ = 20373151 is a prime.

It is a super-2 number, since 2×20373153² = 830130726322818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20373151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3395523 + ... + 3395528.

It is an arithmetic number, because the mean of its divisors is an integer number (6791052).

Almost surely, 2^20373153 is an apocalyptic number.

It is an amenable number.

20373153 is a deficient number, since it is larger than the sum of its proper divisors (6791055).

20373153 is an equidigital number, since it uses as much as digits as its factorization.

20373153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6791054.

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 20373153 is about 4513.6629249424. The cubic root of 20373153 is about 273.1195252757.

The spelling of 20373153 in words is "twenty million, three hundred seventy-three thousand, one hundred fifty-three".