20253237696 has 336 divisors, whose sum is σ = 62228065536. Its totient is φ = 6284500992.

The previous prime is 20253237689. The next prime is 20253237707. The reversal of 20253237696 is 69673235202.

20253237696 is a `hidden beast` number, since 20 + 2 + 532 + 3 + 7 + 6 + 96 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124252911 + ... + 124253073.

It is an arithmetic number, because the mean of its divisors is an integer number (185202576).

Almost surely, 2^20253237696 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 20253237696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31114032768).

20253237696 is an abundant number, since it is smaller than the sum of its proper divisors (41974827840).

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

20253237696 is a wasteful number, since it uses less digits than its factorization.

20253237696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 45.

The spelling of 20253237696 in words is "twenty billion, two hundred fifty-three million, two hundred thirty-seven thousand, six hundred ninety-six".