10020323553499 has 20 divisors (see below), whose sum is σ = 11690232693336. Its totient is φ = 8588444085312.

The previous prime is 10020323553497. The next prime is 10020323553503. The reversal of 10020323553499 is 99435532302001.

10020323553499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10020323553499 - 2¹ = 10020323553497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10020323553497) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 58025187 + ... + 58197619.

Almost surely, 2^{10020323553499} is an apocalyptic number.

10020323553499 is a deficient number, since it is larger than the sum of its proper divisors (1669909139837).

10020323553499 is an frugal number, since it uses more digits than its factorization.

10020323553499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196664 (or 196643 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 46.

The spelling of 10020323553499 in words is "ten trillion, twenty billion, three hundred twenty-three million, five hundred fifty-three thousand, four hundred ninety-nine".