20443234402 has 8 divisors (see below), whose sum is σ = 30731083776. Its totient is φ = 10199539812.

The previous prime is 20443234397. The next prime is 20443234403.

It is a happy number.

20443234402 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20443234403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11037538 + ... + 11039389.

It is an arithmetic number, because the mean of its divisors is an integer number (3841385472).

Almost surely, 2^20443234402 is an apocalyptic number.

20443234402 is a deficient number, since it is larger than the sum of its proper divisors (10287849374).

20443234402 is a wasteful number, since it uses less digits than its factorization.

20443234402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22077392.

The product of its (nonzero) digits is 18432, while the sum is 28.

The spelling of 20443234402 in words is "twenty billion, four hundred forty-three million, two hundred thirty-four thousand, four hundred two".