20574540354 has 8 divisors (see below), whose sum is σ = 41149080720. Its totient is φ = 6858180116.

The previous prime is 20574540353. The next prime is 20574540397. The reversal of 20574540354 is 45304547502.

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

20574540354 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20574540353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1714545024 + ... + 1714545035.

It is an arithmetic number, because the mean of its divisors is an integer number (5143635090).

Almost surely, 2^20574540354 is an apocalyptic number.

20574540354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20574540354 is a wasteful number, since it uses less digits than its factorization.

20574540354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3429090064.

The product of its (nonzero) digits is 336000, while the sum is 39.

The spelling of 20574540354 in words is "twenty billion, five hundred seventy-four million, five hundred forty thousand, three hundred fifty-four".