21433030010 has 128 divisors (see below), whose sum is σ = 46716493824. Its totient is φ = 6921573120.

The previous prime is 21433029899. The next prime is 21433030013. The reversal of 21433030010 is 1003033412.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21433030013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50909600 + ... + 50910020.

It is an arithmetic number, because the mean of its divisors is an integer number (364972608).

Almost surely, 2^21433030010 is an apocalyptic number.

21433030010 is an abundant number, since it is smaller than the sum of its proper divisors (25283463814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21433030010 is a wasteful number, since it uses less digits than its factorization.

21433030010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21433030010 its reverse (1003033412), we get a palindrome (22436063422).

The spelling of 21433030010 in words is "twenty-one billion, four hundred thirty-three million, thirty thousand, ten".