20136225006120 has 128 divisors (see below), whose sum is σ = 60702576762240. Its totient is φ = 5343592550400.

The previous prime is 20136225006059. The next prime is 20136225006127. The reversal of 20136225006120 is 2160052263102.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (20136225006127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22127547 + ... + 23019573.

It is an arithmetic number, because the mean of its divisors is an integer number (474238880955).

Almost surely, 2^{20136225006120} is an apocalyptic number.

20136225006120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20136225006120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30351288381120).

20136225006120 is an abundant number, since it is smaller than the sum of its proper divisors (40566351756120).

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

20136225006120 is a wasteful number, since it uses less digits than its factorization.

20136225006120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892955 (or 892951 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 20136225006120 its reverse (2160052263102), we get a palindrome (22296277269222).

The spelling of 20136225006120 in words is "twenty trillion, one hundred thirty-six billion, two hundred twenty-five million, six thousand, one hundred twenty".