20346938895037 has 8 divisors (see below), whose sum is σ = 20436110067800. Its totient is φ = 20257944125760.

The previous prime is 20346938895013. The next prime is 20346938895043. The reversal of 20346938895037 is 73059883964302.

It can be written as a sum of positive squares in 4 ways, for example, as 11922235273881 + 8424703621156 = 3452859^2 + 2902534^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20346938895037 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 (20346938895097) 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, 43869678 + ... + 44331055.

It is an arithmetic number, because the mean of its divisors is an integer number (2554513758475).

Almost surely, 2^{20346938895037} is an apocalyptic number.

It is an amenable number.

20346938895037 is a deficient number, since it is larger than the sum of its proper divisors (89171172763).

20346938895037 is an equidigital number, since it uses as much as digits as its factorization.

20346938895037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88201743.

The product of its (nonzero) digits is 235146240, while the sum is 67.

The spelling of 20346938895037 in words is "twenty trillion, three hundred forty-six billion, nine hundred thirty-eight million, eight hundred ninety-five thousand, thirty-seven".