21002020002093 has 16 divisors (see below), whose sum is σ = 30157070924736. Its totient is φ = 12924181034880.

The previous prime is 21002020002031. The next prime is 21002020002101. The reversal of 21002020002093 is 39020002020012.

It is not a de Polignac number, because 21002020002093 - 2⁹ = 21002020001581 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21002020001093) 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 15 ways as a sum of consecutive naturals, for example, 839473 + ... + 6535193.

It is an arithmetic number, because the mean of its divisors is an integer number (1884816932796).

Almost surely, 2^{21002020002093} is an apocalyptic number.

It is an amenable number.

21002020002093 is a deficient number, since it is larger than the sum of its proper divisors (9155050922643).

21002020002093 is a wasteful number, since it uses less digits than its factorization.

21002020002093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5790284.

The product of its (nonzero) digits is 432, while the sum is 21.

The spelling of 21002020002093 in words is "twenty-one trillion, two billion, twenty million, two thousand, ninety-three".