220312532152 has 32 divisors (see below), whose sum is σ = 415799284320. Its totient is φ = 109433001600.

The previous prime is 220312532149. The next prime is 220312532197. The reversal of 220312532152 is 251235213022.

It is a super-2 number, since 2×220312532152² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220312532152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7711398 + ... + 7739914.

It is an arithmetic number, because the mean of its divisors is an integer number (12993727635).

Almost surely, 2^220312532152 is an apocalyptic number.

It is an amenable number.

220312532152 is a deficient number, since it is larger than the sum of its proper divisors (195486752168).

220312532152 is a wasteful number, since it uses less digits than its factorization.

220312532152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34831 (or 34827 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 220312532152 its reverse (251235213022), we get a palindrome (471547745174).

The spelling of 220312532152 in words is "two hundred twenty billion, three hundred twelve million, five hundred thirty-two thousand, one hundred fifty-two".