21000032302302 has 24 divisors (see below), whose sum is σ = 46123358621184. Its totient is φ = 6904120208544.

The previous prime is 21000032302267. The next prime is 21000032302313. The reversal of 21000032302302 is 20320323000012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7990878558 + ... + 7990881185.

It is an arithmetic number, because the mean of its divisors is an integer number (1921806609216).

Almost surely, 2^{21000032302302} is an apocalyptic number.

21000032302302 is an abundant number, since it is smaller than the sum of its proper divisors (25123326318882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21000032302302 is a wasteful number, since it uses less digits than its factorization.

21000032302302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15981759824 (or 15981759821 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 21000032302302 its reverse (20320323000012), we get a palindrome (41320355302314).

The spelling of 21000032302302 in words is "twenty-one trillion, thirty-two million, three hundred two thousand, three hundred two".