21433202134 has 16 divisors (see below), whose sum is σ = 32299207200. Its totient is φ = 10666914624.

The previous prime is 21433202099. The next prime is 21433202243. The reversal of 21433202134 is 43120233412.

It is a junction number, because it is equal to n+sod(n) for n = 21433202099 and 21433202108.

It is a congruent number.

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, 350602 + ... + 407170.

It is an arithmetic number, because the mean of its divisors is an integer number (2018700450).

Almost surely, 2^21433202134 is an apocalyptic number.

21433202134 is a deficient number, since it is larger than the sum of its proper divisors (10866005066).

21433202134 is a wasteful number, since it uses less digits than its factorization.

21433202134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57447.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21433202134 its reverse (43120233412), we get a palindrome (64553435546).

The spelling of 21433202134 in words is "twenty-one billion, four hundred thirty-three million, two hundred two thousand, one hundred thirty-four".