20045777734 has 8 divisors (see below), whose sum is σ = 30079865088. Its totient is φ = 10019156040.

The previous prime is 20045777683. The next prime is 20045777737. The reversal of 20045777734 is 43777754002.

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 (20045777737) 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, 1859697 + ... + 1870444.

It is an arithmetic number, because the mean of its divisors is an integer number (3759983136).

Almost surely, 2^20045777734 is an apocalyptic number.

20045777734 is a deficient number, since it is larger than the sum of its proper divisors (10034087354).

20045777734 is a wasteful number, since it uses less digits than its factorization.

20045777734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3732830.

The product of its (nonzero) digits is 1152480, while the sum is 46.

The spelling of 20045777734 in words is "twenty billion, forty-five million, seven hundred seventy-seven thousand, seven hundred thirty-four".