220529651131 has 4 divisors (see below), whose sum is σ = 220801575064. Its totient is φ = 220257727200.

The previous prime is 220529651107. The next prime is 220529651137. The reversal of 220529651131 is 131156925022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220529651131 - 2⁵ = 220529651099 is a prime.

It is a super-2 number, since 2×220529651131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220529651137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135960750 + ... + 135962371.

It is an arithmetic number, because the mean of its divisors is an integer number (55200393766).

Almost surely, 2^220529651131 is an apocalyptic number.

220529651131 is a deficient number, since it is larger than the sum of its proper divisors (271923933).

220529651131 is an equidigital number, since it uses as much as digits as its factorization.

220529651131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271923932.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 220529651131 in words is "two hundred twenty billion, five hundred twenty-nine million, six hundred fifty-one thousand, one hundred thirty-one".