20326149800036 has 12 divisors (see below), whose sum is σ = 35570850755580. Its totient is φ = 10163049584160.

The previous prime is 20326149800029. The next prime is 20326149800039. The reversal of 20326149800036 is 63000894162302.

It can be written as a sum of positive squares in 2 ways, for example, as 16905336792100 + 3420813007936 = 4111610^2 + 1849544^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20326149800036.

It is not an unprimeable number, because it can be changed into a prime (20326149800039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4461191 + ... + 7781678.

It is an arithmetic number, because the mean of its divisors is an integer number (2964237562965).

Almost surely, 2^{20326149800036} is an apocalyptic number.

It is an amenable number.

20326149800036 is a deficient number, since it is larger than the sum of its proper divisors (15244700955544).

20326149800036 is a wasteful number, since it uses less digits than its factorization.

20326149800036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12657934 (or 12657932 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 20326149800036 in words is "twenty trillion, three hundred twenty-six billion, one hundred forty-nine million, eight hundred thousand, thirty-six".