22020001983 has 64 divisors (see below), whose sum is σ = 37866700800. Its totient is φ = 12386273760.

The previous prime is 22020001963. The next prime is 22020002041. The reversal of 22020001983 is 38910002022.

It is a happy number.

It is not a de Polignac number, because 22020001983 - 2⁸ = 22020001727 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020001963) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17162260 + ... + 17163542.

It is an arithmetic number, because the mean of its divisors is an integer number (591667200).

Almost surely, 2^22020001983 is an apocalyptic number.

22020001983 is a deficient number, since it is larger than the sum of its proper divisors (15846698817).

22020001983 is a wasteful number, since it uses less digits than its factorization.

22020001983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649 (or 2643 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 22020001983 in words is "twenty-two billion, twenty million, one thousand, nine hundred eighty-three".