1022020983 has 10 divisors (see below), whose sum is σ = 1526722824. Its totient is φ = 681347268.

The previous prime is 1022020957. The next prime is 1022020999. The reversal of 1022020983 is 3890202201.

It is a happy number.

It is not a de Polignac number, because 1022020983 - 2¹² = 1022016887 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 (1022020913) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6308691 + ... + 6308852.

Almost surely, 2^1022020983 is an apocalyptic number.

1022020983 is a deficient number, since it is larger than the sum of its proper divisors (504701841).

1022020983 is an equidigital number, since it uses as much as digits as its factorization.

1022020983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12617555 (or 12617546 counting only the distinct ones).

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

The square root of 1022020983 is about 31969.0629046270. The cubic root of 1022020983 is about 1007.2870968995.

The spelling of 1022020983 in words is "one billion, twenty-two million, twenty thousand, nine hundred eighty-three".