22120022000020 has 24 divisors (see below), whose sum is σ = 53088052800384. Its totient is φ = 7584007542816.

The previous prime is 22120022000017. The next prime is 22120022000023. The reversal of 22120022000020 is 2000022002122.

It is an interprime number because it is at equal distance from previous prime (22120022000017) and next prime (22120022000023).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120022000023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79000078432 + ... + 79000078711.

It is an arithmetic number, because the mean of its divisors is an integer number (2212002200016).

Almost surely, 2^{22120022000020} is an apocalyptic number.

22120022000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120022000020 is an abundant number, since it is smaller than the sum of its proper divisors (30968030800364).

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

22120022000020 is a wasteful number, since it uses less digits than its factorization.

22120022000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158000157159 (or 158000157157 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22120022000020 its reverse (2000022002122), we get a palindrome (24120044002142).

The spelling of 22120022000020 in words is "twenty-two trillion, one hundred twenty billion, twenty-two million, twenty", and thus it is an aban number.