21002020002092 has 48 divisors (see below), whose sum is σ = 37260986162400. Its totient is φ = 10356946467840.

The previous prime is 21002020002031. The next prime is 21002020002101. The reversal of 21002020002092 is 29020002020012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245730038 + ... + 245815490.

It is an arithmetic number, because the mean of its divisors is an integer number (776270545050).

Almost surely, 2^{21002020002092} is an apocalyptic number.

It is an amenable number.

21002020002092 is a deficient number, since it is larger than the sum of its proper divisors (16258966160308).

21002020002092 is a wasteful number, since it uses less digits than its factorization.

21002020002092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88146 (or 88144 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 21002020002092 in words is "twenty-one trillion, two billion, twenty million, two thousand, ninety-two".