21270504337230 has 64 divisors (see below), whose sum is σ = 51857935976448. Its totient is φ = 5582553016320.

The previous prime is 21270504337217. The next prime is 21270504337321. The reversal of 21270504337230 is 3273340507212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7424502 + ... + 9882521.

It is an arithmetic number, because the mean of its divisors is an integer number (810280249632).

Almost surely, 2^{21270504337230} is an apocalyptic number.

21270504337230 is an abundant number, since it is smaller than the sum of its proper divisors (30587431639218).

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

21270504337230 is a wasteful number, since it uses less digits than its factorization.

21270504337230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17307681.

The product of its (nonzero) digits is 211680, while the sum is 39.

The spelling of 21270504337230 in words is "twenty-one trillion, two hundred seventy billion, five hundred four million, three hundred thirty-seven thousand, two hundred thirty".