20122122222000 has 200 divisors, whose sum is σ = 72682596578592. Its totient is φ = 5365899216000.

The previous prime is 20122122221963. The next prime is 20122122222049. The reversal of 20122122222000 is 22222122102.

20122122222000 is a `hidden beast` number, since 2 + 0 + 1 + 221 + 222 + 220 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 61943316 + ... + 62267315.

Almost surely, 2^{20122122222000} is an apocalyptic number.

20122122222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122122222000 is an abundant number, since it is smaller than the sum of its proper divisors (52560474356592).

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

20122122222000 is a wasteful number, since it uses less digits than its factorization.

20122122222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124210666 (or 124210641 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20122122222000 its reverse (22222122102), we get a palindrome (20144344344102).

The spelling of 20122122222000 in words is "twenty trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-two thousand".