21433301230 has 64 divisors (see below), whose sum is σ = 42961218048. Its totient is φ = 7632626560.

The previous prime is 21433301221. The next prime is 21433301243. The reversal of 21433301230 is 3210333412.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3419079 + ... + 3425341.

It is an arithmetic number, because the mean of its divisors is an integer number (671269032).

Almost surely, 2^21433301230 is an apocalyptic number.

21433301230 is an abundant number, since it is smaller than the sum of its proper divisors (21527916818).

21433301230 is a wasteful number, since it uses less digits than its factorization.

21433301230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6921.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21433301230 its reverse (3210333412), we get a palindrome (24643634642).

The spelling of 21433301230 in words is "twenty-one billion, four hundred thirty-three million, three hundred one thousand, two hundred thirty".