20004444213 has 16 divisors (see below), whose sum is σ = 28914566016. Its totient is φ = 12228897600.

The previous prime is 20004444203. The next prime is 20004444277. The reversal of 20004444213 is 31244440002.

It is a happy number.

It is not a de Polignac number, because 20004444213 - 2¹⁴ = 20004427829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004444203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1692570 + ... + 1704347.

It is an arithmetic number, because the mean of its divisors is an integer number (1807160376).

Almost surely, 2^20004444213 is an apocalyptic number.

It is an amenable number.

20004444213 is a deficient number, since it is larger than the sum of its proper divisors (8910121803).

20004444213 is a wasteful number, since it uses less digits than its factorization.

20004444213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3397084.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20004444213 its reverse (31244440002), we get a palindrome (51248884215).

The spelling of 20004444213 in words is "twenty billion, four million, four hundred forty-four thousand, two hundred thirteen".