20340057422 has 32 divisors (see below), whose sum is σ = 34484071680. Its totient is φ = 8940274560.

The previous prime is 20340057421. The next prime is 20340057433. The reversal of 20340057422 is 22475004302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20340057421) 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, 175868 + ... + 267599.

It is an arithmetic number, because the mean of its divisors is an integer number (1077627240).

Almost surely, 2^20340057422 is an apocalyptic number.

20340057422 is a deficient number, since it is larger than the sum of its proper divisors (14144014258).

20340057422 is a wasteful number, since it uses less digits than its factorization.

20340057422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443576.

The product of its (nonzero) digits is 13440, while the sum is 29.

The spelling of 20340057422 in words is "twenty billion, three hundred forty million, fifty-seven thousand, four hundred twenty-two".