220321020023031 has 8 divisors (see below), whose sum is σ = 293761470494080. Its totient is φ = 146880624783672.

The previous prime is 220321020023023. The next prime is 220321020023081. The reversal of 220321020023031 is 130320020123022.

It is a happy number.

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

It is not a de Polignac number, because 220321020023031 - 2³ = 220321020023023 is a prime.

It is a super-2 number, since 2×220321020023031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220321020022989 and 220321020023007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220321020023081) 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, 3373795 + ... + 21260868.

It is an arithmetic number, because the mean of its divisors is an integer number (36720183811760).

Almost surely, 2^{220321020023031} is an apocalyptic number.

220321020023031 is a deficient number, since it is larger than the sum of its proper divisors (73440450471049).

220321020023031 is a wasteful number, since it uses less digits than its factorization.

220321020023031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27615845.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 220321020023031 its reverse (130320020123022), we get a palindrome (350641040146053).

Subtracting from 220321020023031 its reverse (130320020123022), we obtain a palindrome (90000999900009).

The spelling of 220321020023031 in words is "two hundred twenty trillion, three hundred twenty-one billion, twenty million, twenty-three thousand, thirty-one".