10031420220 has 24 divisors (see below), whose sum is σ = 28087976784. Its totient is φ = 2675045376.

The previous prime is 10031420183. The next prime is 10031420227. The reversal of 10031420220 is 2202413001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10031420220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031420227) by changing a digit.

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, 83595109 + ... + 83595228.

It is an arithmetic number, because the mean of its divisors is an integer number (1170332366).

Almost surely, 2^10031420220 is an apocalyptic number.

10031420220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10031420220 is an abundant number, since it is smaller than the sum of its proper divisors (18056556564).

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

10031420220 is a wasteful number, since it uses less digits than its factorization.

10031420220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167190349 (or 167190347 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 10031420220 its reverse (2202413001), we get a palindrome (12233833221).

The spelling of 10031420220 in words is "ten billion, thirty-one million, four hundred twenty thousand, two hundred twenty".