20235174374 has 4 divisors (see below), whose sum is σ = 30352761564. Its totient is φ = 10117587186.

The previous prime is 20235174373. The next prime is 20235174383. The reversal of 20235174374 is 47347153202.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20235174371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5058793592 + ... + 5058793595.

It is an arithmetic number, because the mean of its divisors is an integer number (7588190391).

Almost surely, 2^20235174374 is an apocalyptic number.

20235174374 is a deficient number, since it is larger than the sum of its proper divisors (10117587190).

20235174374 is a wasteful number, since it uses less digits than its factorization.

20235174374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10117587189.

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 20235174374 in words is "twenty billion, two hundred thirty-five million, one hundred seventy-four thousand, three hundred seventy-four".