220352521131 has 24 divisors (see below), whose sum is σ = 334549856160. Its totient is φ = 139488978816.

The previous prime is 220352521127. The next prime is 220352521183. The reversal of 220352521131 is 131125253022.

220352521131 is a `hidden beast` number, since 2 + 2 + 0 + 3 + 5 + 2 + 521 + 131 = 666.

It is not a de Polignac number, because 220352521131 - 2² = 220352521127 is a prime.

It is a super-2 number, since 2×220352521131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220352521095 and 220352521104.

It is not an unprimeable number, because it can be changed into a prime (220352521931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3856696 + ... + 3913413.

It is an arithmetic number, because the mean of its divisors is an integer number (13939577340).

Almost surely, 2^220352521131 is an apocalyptic number.

220352521131 is a deficient number, since it is larger than the sum of its proper divisors (114197335029).

220352521131 is a wasteful number, since it uses less digits than its factorization.

220352521131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7770275 (or 7770272 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 220352521131 its reverse (131125253022), we get a palindrome (351477774153).

The spelling of 220352521131 in words is "two hundred twenty billion, three hundred fifty-two million, five hundred twenty-one thousand, one hundred thirty-one".