20289841474 has 16 divisors (see below), whose sum is σ = 35981985600. Its totient is φ = 8395796304.

The previous prime is 20289841469. The next prime is 20289841487. The reversal of 20289841474 is 47414898202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24987084 + ... + 24987895.

It is an arithmetic number, because the mean of its divisors is an integer number (2248874100).

Almost surely, 2^20289841474 is an apocalyptic number.

20289841474 is a deficient number, since it is larger than the sum of its proper divisors (15692144126).

20289841474 is a wasteful number, since it uses less digits than its factorization.

20289841474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49975017.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 20289841474 in words is "twenty billion, two hundred eighty-nine million, eight hundred forty-one thousand, four hundred seventy-four".