20365420573331 has 8 divisors (see below), whose sum is σ = 21073251502800. Its totient is φ = 19657961313760.

The previous prime is 20365420573327. The next prime is 20365420573339. The reversal of 20365420573331 is 13337502456302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20365420573331 - 2² = 20365420573327 is a prime.

It is a super-2 number, since 2×20365420573331² (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 (20365420573339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92805980 + ... + 93025161.

It is an arithmetic number, because the mean of its divisors is an integer number (2634156437850).

Almost surely, 2^{20365420573331} is an apocalyptic number.

20365420573331 is a deficient number, since it is larger than the sum of its proper divisors (707830929469).

20365420573331 is a wasteful number, since it uses less digits than its factorization.

20365420573331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185834949.

The product of its (nonzero) digits is 1360800, while the sum is 44.

The spelling of 20365420573331 in words is "twenty trillion, three hundred sixty-five billion, four hundred twenty million, five hundred seventy-three thousand, three hundred thirty-one".