20588373241921 has 4 divisors (see below), whose sum is σ = 20630304756144. Its totient is φ = 20546441727700.

The previous prime is 20588373241841. The next prime is 20588373241973. The reversal of 20588373241921 is 12914237388502.

It is a happy number.

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 20588373241921 - 2²⁷ = 20588239024193 is a prime.

It is a super-2 number, since 2×20588373241921² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20588373241991) 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, 20965756375 + ... + 20965757356.

It is an arithmetic number, because the mean of its divisors is an integer number (5157576189036).

Almost surely, 2^{20588373241921} is an apocalyptic number.

It is an amenable number.

20588373241921 is a deficient number, since it is larger than the sum of its proper divisors (41931514223).

20588373241921 is an equidigital number, since it uses as much as digits as its factorization.

20588373241921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41931514222.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 20588373241921 in words is "twenty trillion, five hundred eighty-eight billion, three hundred seventy-three million, two hundred forty-one thousand, nine hundred twenty-one".