20134422779274 has 48 divisors (see below), whose sum is σ = 43787898577800. Its totient is φ = 6686393978880.

The previous prime is 20134422779243. The next prime is 20134422779293. The reversal of 20134422779274 is 47297722443102.

It is a happy number.

20134422779274 is a `hidden beast` number, since 2 + 0 + 1 + 344 + 2 + 27 + 7 + 9 + 274 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 19599612851025 + 534809928249 = 4427145^2 + 731307^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20134422779274.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3457734 + ... + 7226670.

Almost surely, 2^{20134422779274} is an apocalyptic number.

20134422779274 is an abundant number, since it is smaller than the sum of its proper divisors (23653475798526).

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

20134422779274 is a wasteful number, since it uses less digits than its factorization.

20134422779274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770055 (or 3770052 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 54.

The spelling of 20134422779274 in words is "twenty trillion, one hundred thirty-four billion, four hundred twenty-two million, seven hundred seventy-nine thousand, two hundred seventy-four".