20474773374 has 32 divisors (see below), whose sum is σ = 46614507264. Its totient is φ = 5934716480.

The previous prime is 20474773367. The next prime is 20474773379. The reversal of 20474773374 is 47337747402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20474773379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6742479 + ... + 6745514.

It is an arithmetic number, because the mean of its divisors is an integer number (1456703352).

Almost surely, 2^20474773374 is an apocalyptic number.

20474773374 is an abundant number, since it is smaller than the sum of its proper divisors (26139733890).

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

20474773374 is a wasteful number, since it uses less digits than its factorization.

20474773374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13488032.

The product of its (nonzero) digits is 2765952, while the sum is 48.

The spelling of 20474773374 in words is "twenty billion, four hundred seventy-four million, seven hundred seventy-three thousand, three hundred seventy-four".