20397552248376 has 192 divisors, whose sum is σ = 57706960321920. Its totient is φ = 6749725852800.

The previous prime is 20397552248371. The next prime is 20397552248399. The reversal of 20397552248376 is 67384225579302.

20397552248376 is a `hidden beast` number, since 2 + 0 + 3 + 9 + 7 + 552 + 2 + 4 + 8 + 3 + 76 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20397552248371) 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, 279761526 + ... + 279834426.

It is an arithmetic number, because the mean of its divisors is an integer number (300557085010).

Almost surely, 2^{20397552248376} 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 20397552248376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28853480160960).

20397552248376 is an abundant number, since it is smaller than the sum of its proper divisors (37309408073544).

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

20397552248376 is a wasteful number, since it uses less digits than its factorization.

20397552248376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73968 (or 73952 counting only the distinct ones).

The product of its (nonzero) digits is 152409600, while the sum is 63.

The spelling of 20397552248376 in words is "twenty trillion, three hundred ninety-seven billion, five hundred fifty-two million, two hundred forty-eight thousand, three hundred seventy-six".