20600016326357 has 16 divisors (see below), whose sum is σ = 22308626816112. Its totient is φ = 18909132687360.

The previous prime is 20600016326317. The next prime is 20600016326371. The reversal of 20600016326357 is 75362361000602.

It can be written as a sum of positive squares in 8 ways, for example, as 5301349681156 + 15298666645201 = 2302466^2 + 3911351^2 .

It is a cyclic number.

It is not a de Polignac number, because 20600016326357 - 2⁸ = 20600016326101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20600016326317) 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, 37604303 + ... + 38148179.

It is an arithmetic number, because the mean of its divisors is an integer number (1394289176007).

Almost surely, 2^{20600016326357} is an apocalyptic number.

It is an amenable number.

20600016326357 is a deficient number, since it is larger than the sum of its proper divisors (1708610489755).

20600016326357 is a wasteful number, since it uses less digits than its factorization.

20600016326357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560168.

The product of its (nonzero) digits is 272160, while the sum is 41.

Adding to 20600016326357 its reverse (75362361000602), we get a palindrome (95962377326959).

The spelling of 20600016326357 in words is "twenty trillion, six hundred billion, sixteen million, three hundred twenty-six thousand, three hundred fifty-seven".