220231002213 has 12 divisors (see below), whose sum is σ = 326709054828. Its totient is φ = 142852541760.

The previous prime is 220231002119. The next prime is 220231002217. The reversal of 220231002213 is 312200132022.

220231002213 is a `hidden beast` number, since 220 + 231 + 0 + 0 + 2 + 213 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 141122689569 + 79108312644 = 375663^2 + 281262^2 .

It is not a de Polignac number, because 220231002213 - 2¹³ = 220230994021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220231002217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 330676848 + ... + 330677513.

It is an arithmetic number, because the mean of its divisors is an integer number (27225754569).

Almost surely, 2^220231002213 is an apocalyptic number.

It is an amenable number.

220231002213 is a deficient number, since it is larger than the sum of its proper divisors (106478052615).

220231002213 is a wasteful number, since it uses less digits than its factorization.

220231002213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661354404 (or 661354401 counting only the distinct ones).

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

Adding to 220231002213 its reverse (312200132022), we get a palindrome (532431134235).

The spelling of 220231002213 in words is "two hundred twenty billion, two hundred thirty-one million, two thousand, two hundred thirteen".