20154671374 has 8 divisors (see below), whose sum is σ = 30258005400. Its totient is φ = 10068669576.

The previous prime is 20154671333. The next prime is 20154671393. The reversal of 20154671374 is 47317645102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4330149 + ... + 4334800.

It is an arithmetic number, because the mean of its divisors is an integer number (3782250675).

Almost surely, 2^20154671374 is an apocalyptic number.

20154671374 is a deficient number, since it is larger than the sum of its proper divisors (10103334026).

20154671374 is a wasteful number, since it uses less digits than its factorization.

20154671374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8666114.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 20154671374 in words is "twenty billion, one hundred fifty-four million, six hundred seventy-one thousand, three hundred seventy-four".