22001030120 has 32 divisors (see below), whose sum is σ = 49671294120. Its totient is φ = 8770371840.

The previous prime is 22001030111. The next prime is 22001030143. The reversal of 22001030120 is 2103010022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20979204964 + 1021825156 = 144842^2 + 31966^2 .

It is a super-2 number, since 2×22001030120² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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, 926891 + ... + 950330.

Almost surely, 2^22001030120 is an apocalyptic number.

22001030120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001030120 is an abundant number, since it is smaller than the sum of its proper divisors (27670264000).

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

22001030120 is a wasteful number, since it uses less digits than its factorization.

22001030120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877525 (or 1877521 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 22001030120 its reverse (2103010022), we get a palindrome (24104040142).

The spelling of 22001030120 in words is "twenty-two billion, one million, thirty thousand, one hundred twenty".