1222013232020 has 24 divisors (see below), whose sum is σ = 2932831757184. Its totient is φ = 418975965216.

The previous prime is 1222013231911. The next prime is 1222013232031. The reversal of 1222013232020 is 202323102221.

It is a happy number.

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 = 1222013231983 and 1222013232001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4364332832 + ... + 4364333111.

It is an arithmetic number, because the mean of its divisors is an integer number (122201323216).

Almost surely, 2^{1222013232020} is an apocalyptic number.

1222013232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222013232020 is an abundant number, since it is smaller than the sum of its proper divisors (1710818525164).

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

1222013232020 is a wasteful number, since it uses less digits than its factorization.

1222013232020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8728665959 (or 8728665957 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1222013232020 its reverse (202323102221), we get a palindrome (1424336334241).

The spelling of 1222013232020 in words is "one trillion, two hundred twenty-two billion, thirteen million, two hundred thirty-two thousand, twenty".