20340401334 has 16 divisors (see below), whose sum is σ = 44379057600. Its totient is φ = 6163757960.

The previous prime is 20340401317. The next prime is 20340401351. The reversal of 20340401334 is 43310404302.

It is an interprime number because it is at equal distance from previous prime (20340401317) and next prime (20340401351).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154093884 + ... + 154094015.

It is an arithmetic number, because the mean of its divisors is an integer number (2773691100).

Almost surely, 2^20340401334 is an apocalyptic number.

20340401334 is an abundant number, since it is smaller than the sum of its proper divisors (24038656266).

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

20340401334 is a wasteful number, since it uses less digits than its factorization.

20340401334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308187915.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20340401334 its reverse (43310404302), we get a palindrome (63650805636).

The spelling of 20340401334 in words is "twenty billion, three hundred forty million, four hundred one thousand, three hundred thirty-four".