21002433302 has 32 divisors (see below), whose sum is σ = 34042092480. Its totient is φ = 9688250880.

The previous prime is 21002433299. The next prime is 21002433337. The reversal of 21002433302 is 20333420012.

It is a super-2 number, since 2×21002433302² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1370402 + ... + 1385642.

It is an arithmetic number, because the mean of its divisors is an integer number (1063815390).

Almost surely, 2^21002433302 is an apocalyptic number.

21002433302 is a deficient number, since it is larger than the sum of its proper divisors (13039659178).

21002433302 is a wasteful number, since it uses less digits than its factorization.

21002433302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16328.

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

Adding to 21002433302 its reverse (20333420012), we get a palindrome (41335853314).

The spelling of 21002433302 in words is "twenty-one billion, two million, four hundred thirty-three thousand, three hundred two".