20237232456 has 336 divisors, whose sum is σ = 69079348800. Its totient is φ = 5528875968.

The previous prime is 20237232451. The next prime is 20237232467. The reversal of 20237232456 is 65423273202.

20237232456 is a `hidden beast` number, since 202 + 372 + 32 + 4 + 56 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 20237232456.

It is not an unprimeable number, because it can be changed into a prime (20237232451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 6571125 + ... + 6574203.

It is an arithmetic number, because the mean of its divisors is an integer number (205593300).

Almost surely, 2^20237232456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20237232456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34539674400).

20237232456 is an abundant number, since it is smaller than the sum of its proper divisors (48842116344).

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

20237232456 is a wasteful number, since it uses less digits than its factorization.

20237232456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140 (or 3114 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The spelling of 20237232456 in words is "twenty billion, two hundred thirty-seven million, two hundred thirty-two thousand, four hundred fifty-six".