10031202420 has 96 divisors (see below), whose sum is σ = 28826582400. Its totient is φ = 2605423104.

The previous prime is 10031202331. The next prime is 10031202421. The reversal of 10031202420 is 2420213001.

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 10031202420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031202421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372862 + ... + 398858.

It is an arithmetic number, because the mean of its divisors is an integer number (300276900).

Almost surely, 2^10031202420 is an apocalyptic number.

10031202420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10031202420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14413291200).

10031202420 is an abundant number, since it is smaller than the sum of its proper divisors (18795379980).

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

10031202420 is a wasteful number, since it uses less digits than its factorization.

10031202420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26177 (or 26175 counting only the distinct ones).

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

Adding to 10031202420 its reverse (2420213001), we get a palindrome (12451415421).

The spelling of 10031202420 in words is "ten billion, thirty-one million, two hundred two thousand, four hundred twenty".