21148385202 has 96 divisors (see below), whose sum is σ = 54708618240. Its totient is φ = 6038051040.

The previous prime is 21148385201. The next prime is 21148385239. The reversal of 21148385202 is 20258384112.

It is a happy number.

21148385202 is a `hidden beast` number, since 211 + 48 + 385 + 20 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (21148385201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6234927 + ... + 6238317.

It is an arithmetic number, because the mean of its divisors is an integer number (569881440).

Almost surely, 2^21148385202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21148385202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27354309120).

21148385202 is an abundant number, since it is smaller than the sum of its proper divisors (33560233038).

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

21148385202 is a wasteful number, since it uses less digits than its factorization.

21148385202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5773 (or 5760 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 21148385202 in words is "twenty-one billion, one hundred forty-eight million, three hundred eighty-five thousand, two hundred two".