20257722730234 has 64 divisors (see below), whose sum is σ = 33725363938560. Its totient is φ = 9048836160000.

The previous prime is 20257722730207. The next prime is 20257722730381. The reversal of 20257722730234 is 43203722775202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 831142072 + ... + 831166444.

It is an arithmetic number, because the mean of its divisors is an integer number (526958811540).

Almost surely, 2^{20257722730234} is an apocalyptic number.

20257722730234 is a deficient number, since it is larger than the sum of its proper divisors (13467641208326).

20257722730234 is a wasteful number, since it uses less digits than its factorization.

20257722730234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26167.

The product of its (nonzero) digits is 1975680, while the sum is 46.

The spelling of 20257722730234 in words is "twenty trillion, two hundred fifty-seven billion, seven hundred twenty-two million, seven hundred thirty thousand, two hundred thirty-four".