20036376786145 has 8 divisors (see below), whose sum is σ = 25457984622504. Its totient is φ = 15086213109504.

The previous prime is 20036376786137. The next prime is 20036376786169. The reversal of 20036376786145 is 54168767363002.

It can be written as a sum of positive squares in 4 ways, for example, as 7406143144929 + 12630233641216 = 2721423^2 + 3553904^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20036376786145 - 2³ = 20036376786137 is a prime.

It is a super-2 number, since 2×20036376786145² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20036376786145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117861039834 + ... + 117861040003.

It is an arithmetic number, because the mean of its divisors is an integer number (3182248077813).

Almost surely, 2^{20036376786145} is an apocalyptic number.

It is an amenable number.

20036376786145 is a deficient number, since it is larger than the sum of its proper divisors (5421607836359).

20036376786145 is a wasteful number, since it uses less digits than its factorization.

20036376786145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235722079859.

The product of its (nonzero) digits is 30481920, while the sum is 58.

The spelling of 20036376786145 in words is "twenty trillion, thirty-six billion, three hundred seventy-six million, seven hundred eighty-six thousand, one hundred forty-five".