223031132420 has 96 divisors (see below), whose sum is σ = 477640800000. Its totient is φ = 87465771008.

The previous prime is 223031132353. The next prime is 223031132437. The reversal of 223031132420 is 24231130322.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143059601 + ... + 143061159.

It is an arithmetic number, because the mean of its divisors is an integer number (4975425000).

Almost surely, 2^223031132420 is an apocalyptic number.

223031132420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223031132420 is an abundant number, since it is smaller than the sum of its proper divisors (254609667580).

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

223031132420 is a wasteful number, since it uses less digits than its factorization.

223031132420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285 (or 2283 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 223031132420 its reverse (24231130322), we get a palindrome (247262262742).

The spelling of 223031132420 in words is "two hundred twenty-three billion, thirty-one million, one hundred thirty-two thousand, four hundred twenty".