220312230201 has 48 divisors (see below), whose sum is σ = 385141536000. Its totient is φ = 118469412864.

The previous prime is 220312230157. The next prime is 220312230211. The reversal of 220312230201 is 102032213022.

220312230201 is a `hidden beast` number, since 220 + 3 + 12 + 230 + 201 = 666.

It is not a de Polignac number, because 220312230201 - 2¹⁵ = 220312197433 is a prime.

It is a super-2 number, since 2×220312230201² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220312230211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10323420 + ... + 10344738.

It is an arithmetic number, because the mean of its divisors is an integer number (8023782000).

Almost surely, 2^220312230201 is an apocalyptic number.

220312230201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

220312230201 is a deficient number, since it is larger than the sum of its proper divisors (164829305799).

220312230201 is a wasteful number, since it uses less digits than its factorization.

220312230201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30998 (or 30995 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 220312230201 its reverse (102032213022), we get a palindrome (322344443223).

The spelling of 220312230201 in words is "two hundred twenty billion, three hundred twelve million, two hundred thirty thousand, two hundred one".