21013302302232 has 32 divisors (see below), whose sum is σ = 52541725135680. Its totient is φ = 7003304850080.

The previous prime is 21013302302203. The next prime is 21013302302263. The reversal of 21013302302232 is 23220320331012.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70426194 + ... + 70723937.

It is an arithmetic number, because the mean of its divisors is an integer number (1641928910490).

Almost surely, 2^{21013302302232} is an apocalyptic number.

It is an amenable number.

21013302302232 is an abundant number, since it is smaller than the sum of its proper divisors (31528422833448).

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

21013302302232 is a wasteful number, since it uses less digits than its factorization.

21013302302232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141156343 (or 141156339 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21013302302232 its reverse (23220320331012), we get a palindrome (44233622633244).

The spelling of 21013302302232 in words is "twenty-one trillion, thirteen billion, three hundred two million, three hundred two thousand, two hundred thirty-two".