20257063607774 has 8 divisors (see below), whose sum is σ = 34726394756208. Its totient is φ = 8681598689040.

The previous prime is 20257063607761. The next prime is 20257063607857. The reversal of 20257063607774 is 47770636075202.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723466557407 + ... + 723466557434.

It is an arithmetic number, because the mean of its divisors is an integer number (4340799344526).

Almost surely, 2^{20257063607774} is an apocalyptic number.

20257063607774 is a deficient number, since it is larger than the sum of its proper divisors (14469331148434).

20257063607774 is a wasteful number, since it uses less digits than its factorization.

20257063607774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446933114850.

The product of its (nonzero) digits is 20744640, while the sum is 56.

The spelling of 20257063607774 in words is "twenty trillion, two hundred fifty-seven billion, sixty-three million, six hundred seven thousand, seven hundred seventy-four".