1320220232020 has 48 divisors (see below), whose sum is σ = 2865383732736. Its totient is φ = 510430320000.

The previous prime is 1320220231969. The next prime is 1320220232039. The reversal of 1320220232020 is 202320220231.

It is a super-2 number, since 2×1320220232020² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 787806 + ... + 1805845.

It is an arithmetic number, because the mean of its divisors is an integer number (59695494432).

Almost surely, 2^{1320220232020} is an apocalyptic number.

1320220232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320220232020 is an abundant number, since it is smaller than the sum of its proper divisors (1545163500716).

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

1320220232020 is a wasteful number, since it uses less digits than its factorization.

1320220232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594512 (or 2594510 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 1320220232020 its reverse (202320220231), we get a palindrome (1522540452251).

The spelling of 1320220232020 in words is "one trillion, three hundred twenty billion, two hundred twenty million, two hundred thirty-two thousand, twenty".