21334023002 has 16 divisors (see below), whose sum is σ = 32536031400. Its totient is φ = 10488791040.

The previous prime is 21334022981. The next prime is 21334023031. The reversal of 21334023002 is 20032043312.

It can be written as a sum of positive squares in 4 ways, for example, as 5108103841 + 16225919161 = 71471^2 + 127381^2 .

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, 379874 + ... + 432402.

Almost surely, 2^21334023002 is an apocalyptic number.

21334023002 is a deficient number, since it is larger than the sum of its proper divisors (11202008398).

21334023002 is a wasteful number, since it uses less digits than its factorization.

21334023002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55921.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 21334023002 its reverse (20032043312), we get a palindrome (41366066314).

The spelling of 21334023002 in words is "twenty-one billion, three hundred thirty-four million, twenty-three thousand, two".