22010031420 has 96 divisors (see below), whose sum is σ = 67493744640. Its totient is φ = 5326014720.

The previous prime is 22010031419. The next prime is 22010031451. The reversal of 22010031420 is 2413001022.

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 22010031420.

It is a congruent number.

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, 193116 + ... + 285155.

It is an arithmetic number, because the mean of its divisors is an integer number (703059840).

Almost surely, 2^22010031420 is an apocalyptic number.

22010031420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010031420 is an abundant number, since it is smaller than the sum of its proper divisors (45483713220).

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

22010031420 is a wasteful number, since it uses less digits than its factorization.

22010031420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478355 (or 478353 counting only the distinct ones).

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

Adding to 22010031420 its reverse (2413001022), we get a palindrome (24423032442).

The spelling of 22010031420 in words is "twenty-two billion, ten million, thirty-one thousand, four hundred twenty".