220421332023 has 8 divisors (see below), whose sum is σ = 304029423600. Its totient is φ = 141880397568.

The previous prime is 220421332007. The next prime is 220421332147. The reversal of 220421332023 is 320233124022.

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

It is not a de Polignac number, because 220421332023 - 2⁴ = 220421332007 is a prime.

It is a super-2 number, since 2×220421332023² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220421331984 and 220421332002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220421332823) 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, 1266789178 + ... + 1266789351.

It is an arithmetic number, because the mean of its divisors is an integer number (38003677950).

Almost surely, 2^220421332023 is an apocalyptic number.

220421332023 is a deficient number, since it is larger than the sum of its proper divisors (83608091577).

220421332023 is a wasteful number, since it uses less digits than its factorization.

220421332023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533578561.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 220421332023 its reverse (320233124022), we get a palindrome (540654456045).

The spelling of 220421332023 in words is "two hundred twenty billion, four hundred twenty-one million, three hundred thirty-two thousand, twenty-three".