220040100531 has 48 divisors (see below), whose sum is σ = 331161294464. Its totient is φ = 146003140224.

The previous prime is 220040100523. The next prime is 220040100587. The reversal of 220040100531 is 135001040022.

It is not a de Polignac number, because 220040100531 - 2³ = 220040100523 is a prime.

It is a super-2 number, since 2×220040100531² (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 (220040100331) 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 47 ways as a sum of consecutive naturals, for example, 89192160 + ... + 89194626.

Almost surely, 2^220040100531 is an apocalyptic number.

220040100531 is a deficient number, since it is larger than the sum of its proper divisors (111121193933).

220040100531 is a wasteful number, since it uses less digits than its factorization.

220040100531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4062 (or 4050 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 220040100531 its reverse (135001040022), we get a palindrome (355041140553).

The spelling of 220040100531 in words is "two hundred twenty billion, forty million, one hundred thousand, five hundred thirty-one".