21333332202 has 128 divisors (see below), whose sum is σ = 56771635200. Its totient is φ = 5186094336.

The previous prime is 21333332197. The next prime is 21333332227. The reversal of 21333332202 is 20223333312.

It is a super-2 number, since 2×21333332202² (a number of 21 digits) contains 22 as substring.

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, 356049 + ... + 411627.

It is an arithmetic number, because the mean of its divisors is an integer number (443528400).

Almost surely, 2^21333332202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21333332202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28385817600).

21333332202 is an abundant number, since it is smaller than the sum of its proper divisors (35438302998).

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

21333332202 is a wasteful number, since it uses less digits than its factorization.

21333332202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55660.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 21333332202 its reverse (20223333312), we get a palindrome (41556665514).

The spelling of 21333332202 in words is "twenty-one billion, three hundred thirty-three million, three hundred thirty-two thousand, two hundred two".