20123152300836 has 96 divisors (see below), whose sum is σ = 56185243968000. Its totient is φ = 6191635127040.

The previous prime is 20123152300813. The next prime is 20123152300837. The reversal of 20123152300836 is 63800325132102.

20123152300836 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 315 + 2 + 300 + 8 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20123152300836.

It is not an unprimeable number, because it can be changed into a prime (20123152300837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150791701 + ... + 150925091.

It is an arithmetic number, because the mean of its divisors is an integer number (585262958000).

Almost surely, 2^{20123152300836} is an apocalyptic number.

20123152300836 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20123152300836 is an abundant number, since it is smaller than the sum of its proper divisors (36062091667164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20123152300836 is a wasteful number, since it uses less digits than its factorization.

20123152300836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240866 (or 240858 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 20123152300836 its reverse (63800325132102), we get a palindrome (83923477432938).

The spelling of 20123152300836 in words is "twenty trillion, one hundred twenty-three billion, one hundred fifty-two million, three hundred thousand, eight hundred thirty-six".