1020441075021 has 6 divisors (see below), whose sum is σ = 1473970441710. Its totient is φ = 680294050008.

The previous prime is 1020441075011. The next prime is 1020441075053. The reversal of 1020441075021 is 1205701440201.

1020441075021 is a `hidden beast` number, since 10 + 2 + 0 + 44 + 107 + 502 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 783915452100 + 236525622921 = 885390^2 + 486339^2 .

It is not a de Polignac number, because 1020441075021 - 2⁷ = 1020441074893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020441075011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56691170826 + ... + 56691170843.

It is an arithmetic number, because the mean of its divisors is an integer number (245661740285).

Almost surely, 2^{1020441075021} is an apocalyptic number.

It is an amenable number.

1020441075021 is a deficient number, since it is larger than the sum of its proper divisors (453529366689).

1020441075021 is a wasteful number, since it uses less digits than its factorization.

1020441075021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113382341675 (or 113382341672 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The spelling of 1020441075021 in words is "one trillion, twenty billion, four hundred forty-one million, seventy-five thousand, twenty-one".