20440033346 has 16 divisors (see below), whose sum is σ = 32378560704. Its totient is φ = 9657887184.

The previous prime is 20440033333. The next prime is 20440033423. The reversal of 20440033346 is 64333004402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2672981 + ... + 2680616.

It is an arithmetic number, because the mean of its divisors is an integer number (2023660044).

Almost surely, 2^20440033346 is an apocalyptic number.

20440033346 is a deficient number, since it is larger than the sum of its proper divisors (11938527358).

20440033346 is a wasteful number, since it uses less digits than its factorization.

20440033346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353705.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 20440033346 its reverse (64333004402), we get a palindrome (84773037748).

The spelling of 20440033346 in words is "twenty billion, four hundred forty million, thirty-three thousand, three hundred forty-six".