1020130020999 has 12 divisors (see below), whose sum is σ = 1476338588296. Its totient is φ = 678786320592.

The previous prime is 1020130020941. The next prime is 1020130021019. The reversal of 1020130020999 is 9990200310201.

It is a happy number.

It is not a de Polignac number, because 1020130020999 - 2⁹ = 1020130020487 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 (1020130020599) 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, 108358372 + ... + 108367785.

Almost surely, 2^{1020130020999} is an apocalyptic number.

1020130020999 is a deficient number, since it is larger than the sum of its proper divisors (456208567297).

1020130020999 is a wasteful number, since it uses less digits than its factorization.

1020130020999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216726686 (or 216726683 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The spelling of 1020130020999 in words is "one trillion, twenty billion, one hundred thirty million, twenty thousand, nine hundred ninety-nine".