220021000983 has 12 divisors (see below), whose sum is σ = 363209271568. Its totient is φ = 125726286240.

The previous prime is 220021000967. The next prime is 220021000987. The reversal of 220021000983 is 389000120022.

It is a happy number.

It is not a de Polignac number, because 220021000983 - 2⁴ = 220021000967 is a prime.

It is a super-2 number, since 2×220021000983² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220021000987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1746198358 + ... + 1746198483.

Almost surely, 2^220021000983 is an apocalyptic number.

220021000983 is a deficient number, since it is larger than the sum of its proper divisors (143188270585).

220021000983 is a wasteful number, since it uses less digits than its factorization.

220021000983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492396854 (or 3492396851 counting only the distinct ones).

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

The spelling of 220021000983 in words is "two hundred twenty billion, twenty-one million, nine hundred eighty-three", and thus it is an aban number.