20269592422128 has 240 divisors, whose sum is σ = 70014017700000. Its totient is φ = 5591611533312.

The previous prime is 20269592422087. The next prime is 20269592422129. The reversal of 20269592422128 is 82122429596202.

20269592422128 is a `hidden beast` number, since 2 + 0 + 2 + 6 + 9 + 5 + 92 + 422 + 128 = 666.

It is a hoax number, since the sum of its digits (54) 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 (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20269592422129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15895753 + ... + 17123496.

It is an arithmetic number, because the mean of its divisors is an integer number (291725073750).

Almost surely, 2^{20269592422128} is an apocalyptic number.

20269592422128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20269592422128 is an abundant number, since it is smaller than the sum of its proper divisors (49744425277872).

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

20269592422128 is a wasteful number, since it uses less digits than its factorization.

20269592422128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33019309 (or 33019290 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 20269592422128 in words is "twenty trillion, two hundred sixty-nine billion, five hundred ninety-two million, four hundred twenty-two thousand, one hundred twenty-eight".