20330440334 has 32 divisors (see below), whose sum is σ = 31667328000. Its totient is φ = 9782214624.

The previous prime is 20330440321. The next prime is 20330440337. The reversal of 20330440334 is 43304403302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330440337) 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, 3455207 + ... + 3461085.

It is an arithmetic number, because the mean of its divisors is an integer number (989604000).

Almost surely, 2^20330440334 is an apocalyptic number.

20330440334 is a deficient number, since it is larger than the sum of its proper divisors (11336887666).

20330440334 is a wasteful number, since it uses less digits than its factorization.

20330440334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6512.

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 20330440334 its reverse (43304403302), we get a palindrome (63634843636).

The spelling of 20330440334 in words is "twenty billion, three hundred thirty million, four hundred forty thousand, three hundred thirty-four".