10031120420 has 24 divisors (see below), whose sum is σ = 21068565504. Its totient is φ = 4011836256.

The previous prime is 10031120413. The next prime is 10031120447. The reversal of 10031120420 is 2402113001.

It is a junction number, because it is equal to n+sod(n) for n = 10031120395 and 10031120404.

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, 110237 + ... + 179483.

It is an arithmetic number, because the mean of its divisors is an integer number (877856896).

Almost surely, 2^10031120420 is an apocalyptic number.

10031120420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10031120420 is an abundant number, since it is smaller than the sum of its proper divisors (11037445084).

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

10031120420 is a wasteful number, since it uses less digits than its factorization.

10031120420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76499 (or 76497 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10031120420 its reverse (2402113001), we get a palindrome (12433233421).

The spelling of 10031120420 in words is "ten billion, thirty-one million, one hundred twenty thousand, four hundred twenty".