21402333002 has 16 divisors (see below), whose sum is σ = 33377363712. Its totient is φ = 10284336480.

The previous prime is 21402332999. The next prime is 21402333019. The reversal of 21402333002 is 20033320412.

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, 1942298 + ... + 1953285.

It is an arithmetic number, because the mean of its divisors is an integer number (2086085232).

Almost surely, 2^21402333002 is an apocalyptic number.

21402333002 is a deficient number, since it is larger than the sum of its proper divisors (11975030710).

21402333002 is a wasteful number, since it uses less digits than its factorization.

21402333002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895693.

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

Adding to 21402333002 its reverse (20033320412), we get a palindrome (41435653414).

The spelling of 21402333002 in words is "twenty-one billion, four hundred two million, three hundred thirty-three thousand, two".