20005700457237 has 8 divisors (see below), whose sum is σ = 29099200665120. Its totient is φ = 12124666943760.

The previous prime is 20005700457191. The next prime is 20005700457283. The reversal of 20005700457237 is 73275400750002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20005700457191) and next prime (20005700457283).

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

It is not a de Polignac number, because 20005700457237 - 2⁷ = 20005700457109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20005700457037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303116673562 + ... + 303116673627.

It is an arithmetic number, because the mean of its divisors is an integer number (3637400083140).

Almost surely, 2^{20005700457237} is an apocalyptic number.

It is an amenable number.

20005700457237 is a deficient number, since it is larger than the sum of its proper divisors (9093500207883).

20005700457237 is a wasteful number, since it uses less digits than its factorization.

20005700457237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606233347203.

The product of its (nonzero) digits is 411600, while the sum is 42.

The spelling of 20005700457237 in words is "twenty trillion, five billion, seven hundred million, four hundred fifty-seven thousand, two hundred thirty-seven".