20002210120 has 32 divisors (see below), whose sum is σ = 45123753600. Its totient is φ = 7979767488.

The previous prime is 20002210093. The next prime is 20002210139. The reversal of 20002210120 is 2101220002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 20002210097 and 20002210106.

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, 644544 + ... + 674863.

It is an arithmetic number, because the mean of its divisors is an integer number (1410117300).

Almost surely, 2^20002210120 is an apocalyptic number.

20002210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002210120 is an abundant number, since it is smaller than the sum of its proper divisors (25121543480).

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

20002210120 is a wasteful number, since it uses less digits than its factorization.

20002210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319797 (or 1319793 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20002210120 its reverse (2101220002), we get a palindrome (22103430122).

The spelling of 20002210120 in words is "twenty billion, two million, two hundred ten thousand, one hundred twenty".