20554350742 has 8 divisors (see below), whose sum is σ = 30832146000. Its totient is φ = 10276968744.

The previous prime is 20554350737. The next prime is 20554350743. The reversal of 20554350742 is 24705345502.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20554350743) 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, 105184 + ... + 228412.

It is an arithmetic number, because the mean of its divisors is an integer number (3854018250).

Almost surely, 2^20554350742 is an apocalyptic number.

20554350742 is a deficient number, since it is larger than the sum of its proper divisors (10277795258).

20554350742 is a wasteful number, since it uses less digits than its factorization.

20554350742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206630.

The product of its (nonzero) digits is 168000, while the sum is 37.

The spelling of 20554350742 in words is "twenty billion, five hundred fifty-four million, three hundred fifty thousand, seven hundred forty-two".