1023431224220 has 24 divisors (see below), whose sum is σ = 2149410135600. Its totient is φ = 409333524992.

The previous prime is 1023431224219. The next prime is 1023431224237. The reversal of 1023431224220 is 224221343201.

It is a super-2 number, since 2×1023431224220² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1023431224220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2219450 + ... + 2640609.

It is an arithmetic number, because the mean of its divisors is an integer number (89558755650).

Almost surely, 2^{1023431224220} is an apocalyptic number.

1023431224220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023431224220 is an abundant number, since it is smaller than the sum of its proper divisors (1125978911380).

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

1023431224220 is a wasteful number, since it uses less digits than its factorization.

1023431224220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4870597 (or 4870595 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1023431224220 its reverse (224221343201), we get a palindrome (1247652567421).

The spelling of 1023431224220 in words is "one trillion, twenty-three billion, four hundred thirty-one million, two hundred twenty-four thousand, two hundred twenty".