21048847302 has 128 divisors (see below), whose sum is σ = 51084011520. Its totient is φ = 5652218880.

The previous prime is 21048847289. The next prime is 21048847357. The reversal of 21048847302 is 20374884012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29687724 + ... + 29688432.

It is an arithmetic number, because the mean of its divisors is an integer number (399093840).

Almost surely, 2^21048847302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21048847302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25542005760).

21048847302 is an abundant number, since it is smaller than the sum of its proper divisors (30035164218).

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

21048847302 is a wasteful number, since it uses less digits than its factorization.

21048847302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238.

The product of its (nonzero) digits is 86016, while the sum is 39.

The spelling of 21048847302 in words is "twenty-one billion, forty-eight million, eight hundred forty-seven thousand, three hundred two".