1020220020983 has 4 divisors (see below), whose sum is σ = 1021192586400. Its totient is φ = 1019247455568.

The previous prime is 1020220020949. The next prime is 1020220021019. The reversal of 1020220020983 is 3890200220201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020220020983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020220010983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486281135 + ... + 486283232.

It is an arithmetic number, because the mean of its divisors is an integer number (255298146600).

Almost surely, 2^{1020220020983} is an apocalyptic number.

1020220020983 is a deficient number, since it is larger than the sum of its proper divisors (972565417).

1020220020983 is an equidigital number, since it uses as much as digits as its factorization.

1020220020983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972565416.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 1020220020983 in words is "one trillion, twenty billion, two hundred twenty million, twenty thousand, nine hundred eighty-three".