20674749034367 has 16 divisors (see below), whose sum is σ = 21629338633728. Its totient is φ = 19724865763680.

The previous prime is 20674749034363. The next prime is 20674749034439. The reversal of 20674749034367 is 76343094747602.

It is a cyclic number.

It is not a de Polignac number, because 20674749034367 - 2² = 20674749034363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20674749034363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13113293 + ... + 14605065.

It is an arithmetic number, because the mean of its divisors is an integer number (1351833664608).

Almost surely, 2^{20674749034367} is an apocalyptic number.

20674749034367 is a deficient number, since it is larger than the sum of its proper divisors (954589599361).

20674749034367 is a wasteful number, since it uses less digits than its factorization.

20674749034367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493350.

The product of its (nonzero) digits is 128024064, while the sum is 62.

The spelling of 20674749034367 in words is "twenty trillion, six hundred seventy-four billion, seven hundred forty-nine million, thirty-four thousand, three hundred sixty-seven".