20132111032220 has 24 divisors (see below), whose sum is σ = 46120836183408. Its totient is φ = 7320767648000.

The previous prime is 20132111032219. The next prime is 20132111032237. The reversal of 20132111032220 is 2223011123102.

It is a super-2 number, since 2×20132111032220² (a number of 27 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 20132111032192 and 20132111032201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45754797581 + ... + 45754798020.

It is an arithmetic number, because the mean of its divisors is an integer number (1921701507642).

Almost surely, 2^{20132111032220} is an apocalyptic number.

20132111032220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20132111032220 is an abundant number, since it is smaller than the sum of its proper divisors (25988725151188).

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

20132111032220 is a wasteful number, since it uses less digits than its factorization.

20132111032220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91509595621 (or 91509595619 counting only the distinct ones).

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

Adding to 20132111032220 its reverse (2223011123102), we get a palindrome (22355122155322).

The spelling of 20132111032220 in words is "twenty trillion, one hundred thirty-two billion, one hundred eleven million, thirty-two thousand, two hundred twenty".