220211512352 has 48 divisors (see below), whose sum is σ = 479509457112. Its totient is φ = 98889154560.

The previous prime is 220211512331. The next prime is 220211512361. The reversal of 220211512352 is 253215112022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 146685936016 + 73525576336 = 382996^2 + 271156^2 .

It is a super-2 number, since 2×220211512352² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 7138049 + ... + 7168832.

Almost surely, 2^220211512352 is an apocalyptic number.

It is an amenable number.

220211512352 is an abundant number, since it is smaller than the sum of its proper divisors (259297944760).

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

220211512352 is a wasteful number, since it uses less digits than its factorization.

220211512352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14306941 (or 14306933 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 220211512352 its reverse (253215112022), we get a palindrome (473426624374).

The spelling of 220211512352 in words is "two hundred twenty billion, two hundred eleven million, five hundred twelve thousand, three hundred fifty-two".