220032121230040 has 64 divisors (see below), whose sum is σ = 565801715957760. Its totient is φ = 75438940049280.

The previous prime is 220032121229981. The next prime is 220032121230041. The reversal of 220032121230040 is 40032121230022.

It is a junction number, because it is equal to n+sod(n) for n = 220032121229993 and 220032121230020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220032121230041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30076969 + ... + 36669991.

It is an arithmetic number, because the mean of its divisors is an integer number (8840651811840).

Almost surely, 2^{220032121230040} is an apocalyptic number.

220032121230040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220032121230040 is an abundant number, since it is smaller than the sum of its proper divisors (345769594727720).

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

220032121230040 is a wasteful number, since it uses less digits than its factorization.

220032121230040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6712232 (or 6712228 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 220032121230040 its reverse (40032121230022), we get a palindrome (260064242460062).

The spelling of 220032121230040 in words is "two hundred twenty trillion, thirty-two billion, one hundred twenty-one million, two hundred thirty thousand, forty".