1223332020020 has 48 divisors (see below), whose sum is σ = 2967397892928. Its totient is φ = 418680476160.

The previous prime is 1223332020013. The next prime is 1223332020047. The reversal of 1223332020020 is 200202333221.

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 = 1223332019974 and 1223332020001.

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, 163543322 + ... + 163550801.

It is an arithmetic number, because the mean of its divisors is an integer number (61820789436).

Almost surely, 2^{1223332020020} is an apocalyptic number.

1223332020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223332020020 is an abundant number, since it is smaller than the sum of its proper divisors (1744065872908).

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

1223332020020 is a wasteful number, since it uses less digits than its factorization.

1223332020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327094160 (or 327094158 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 1223332020020 its reverse (200202333221), we get a palindrome (1423534353241).

The spelling of 1223332020020 in words is "one trillion, two hundred twenty-three billion, three hundred thirty-two million, twenty thousand, twenty".