1020223421220 has 24 divisors (see below), whose sum is σ = 2856625579584. Its totient is φ = 272059578976.

The previous prime is 1020223421207. The next prime is 1020223421237. The reversal of 1020223421220 is 221243220201.

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, 8501861784 + ... + 8501861903.

It is an arithmetic number, because the mean of its divisors is an integer number (119026065816).

Almost surely, 2^{1020223421220} is an apocalyptic number.

1020223421220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020223421220 is an abundant number, since it is smaller than the sum of its proper divisors (1836402158364).

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

1020223421220 is a wasteful number, since it uses less digits than its factorization.

1020223421220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17003723699 (or 17003723697 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1020223421220 its reverse (221243220201), we get a palindrome (1241466641421).

The spelling of 1020223421220 in words is "one trillion, twenty billion, two hundred twenty-three million, four hundred twenty-one thousand, two hundred twenty".