22020012021000 has 512 divisors, whose sum is σ = 82742237061120. Its totient is φ = 4766636160000.

The previous prime is 22020012020987. The next prime is 22020012021047. The reversal of 22020012021000 is 12021002022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 48557307 + ... + 49008693.

It is an arithmetic number, because the mean of its divisors is an integer number (161605931760).

Almost surely, 2^{22020012021000} is an apocalyptic number.

22020012021000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22020012021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41371118530560).

22020012021000 is an abundant number, since it is smaller than the sum of its proper divisors (60722225040120).

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

22020012021000 is a wasteful number, since it uses less digits than its factorization.

22020012021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451542 (or 451528 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22020012021000 its reverse (12021002022), we get a palindrome (22032033023022).

The spelling of 22020012021000 in words is "twenty-two trillion, twenty billion, twelve million, twenty-one thousand".