23201200022220 has 144 divisors (see below), whose sum is σ = 78849877081248. Its totient is φ = 5472518906880.

The previous prime is 23201200022213. The next prime is 23201200022251. The reversal of 23201200022220 is 2222000210232.

23201200022220 is a `hidden beast` number, since 2 + 320 + 120 + 0 + 0 + 2 + 2 + 220 = 666.

It is a super-2 number, since 2×23201200022220² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23201200022193 and 23201200022202.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158275089 + ... + 158421608.

It is an arithmetic number, because the mean of its divisors is an integer number (547568590842).

Almost surely, 2^{23201200022220} is an apocalyptic number.

23201200022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23201200022220 is an abundant number, since it is smaller than the sum of its proper divisors (55648677059028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23201200022220 is a wasteful number, since it uses less digits than its factorization.

23201200022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316696760 (or 316696755 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 23201200022220 its reverse (2222000210232), we get a palindrome (25423200232452).

The spelling of 23201200022220 in words is "twenty-three trillion, two hundred one billion, two hundred million, twenty-two thousand, two hundred twenty".