20354734700774 has 4 divisors (see below), whose sum is σ = 30532102051164. Its totient is φ = 10177367350386.

The previous prime is 20354734700767. The next prime is 20354734700851. The reversal of 20354734700774 is 47700743745302.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5088683675192 + ... + 5088683675195.

It is an arithmetic number, because the mean of its divisors is an integer number (7633025512791).

Almost surely, 2^{20354734700774} is an apocalyptic number.

20354734700774 is a deficient number, since it is larger than the sum of its proper divisors (10177367350390).

20354734700774 is a wasteful number, since it uses less digits than its factorization.

20354734700774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10177367350389.

The product of its (nonzero) digits is 13829760, while the sum is 53.

The spelling of 20354734700774 in words is "twenty trillion, three hundred fifty-four billion, seven hundred thirty-four million, seven hundred thousand, seven hundred seventy-four".