22002313020 has 48 divisors (see below), whose sum is σ = 61778142720. Its totient is φ = 5850934336.

The previous prime is 22002313001. The next prime is 22002313027. The reversal of 22002313020 is 2031320022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002313027) 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 15 ways as a sum of consecutive naturals, for example, 489192 + ... + 532271.

It is an arithmetic number, because the mean of its divisors is an integer number (1287044640).

Almost surely, 2^22002313020 is an apocalyptic number.

22002313020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002313020 is an abundant number, since it is smaller than the sum of its proper divisors (39775829700).

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

22002313020 is a wasteful number, since it uses less digits than its factorization.

22002313020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021834 (or 1021832 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 22002313020 its reverse (2031320022), we get a palindrome (24033633042).

The spelling of 22002313020 in words is "twenty-two billion, two million, three hundred thirteen thousand, twenty".