220031112030140 has 24 divisors (see below), whose sum is σ = 473335221490992. Its totient is φ = 85865799816320.

The previous prime is 220031112030131. The next prime is 220031112030143. The reversal of 220031112030140 is 41030211130022.

It is a super-2 number, since 2×220031112030140² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220031112030143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134165311394 + ... + 134165313033.

It is an arithmetic number, because the mean of its divisors is an integer number (19722300895458).

Almost surely, 2^{220031112030140} is an apocalyptic number.

220031112030140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220031112030140 is an abundant number, since it is smaller than the sum of its proper divisors (253304109460852).

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

220031112030140 is a wasteful number, since it uses less digits than its factorization.

220031112030140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268330624477 (or 268330624475 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 220031112030140 its reverse (41030211130022), we get a palindrome (261061323160162).

The spelling of 220031112030140 in words is "two hundred twenty trillion, thirty-one billion, one hundred twelve million, thirty thousand, one hundred forty".