11331202020220 has 24 divisors (see below), whose sum is σ = 23795993793600. Its totient is φ = 4532391369792.

The previous prime is 11331202020217. The next prime is 11331202020227. The reversal of 11331202020220 is 2202020213311.

It is a super-2 number, since 2×11331202020220² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331202020227) 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, 4546260 + ... + 6582619.

It is an arithmetic number, because the mean of its divisors is an integer number (991499741400).

Almost surely, 2^{11331202020220} is an apocalyptic number.

11331202020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11331202020220 is an abundant number, since it is smaller than the sum of its proper divisors (12464791773380).

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

11331202020220 is a wasteful number, since it uses less digits than its factorization.

11331202020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11179797 (or 11179795 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11331202020220 its reverse (2202020213311), we get a palindrome (13533222233531).

The spelling of 11331202020220 in words is "eleven trillion, three hundred thirty-one billion, two hundred two million, twenty thousand, two hundred twenty".