20386699719744 has 448 divisors, whose sum is σ = 58474033643520. Its totient is φ = 6247777536000.

The previous prime is 20386699719721. The next prime is 20386699719821. The reversal of 20386699719744 is 44791799668302.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22378374649 + ... + 22378375559.

Almost surely, 2^{20386699719744} is an apocalyptic number.

20386699719744 is a gapful number since it is divisible by the number (24) 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 20386699719744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29237016821760).

20386699719744 is an abundant number, since it is smaller than the sum of its proper divisors (38087333923776).

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

20386699719744 is a wasteful number, since it uses less digits than its factorization.

20386699719744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750 (or 1740 counting only the distinct ones).

The product of its (nonzero) digits is 987614208, while the sum is 75.

The spelling of 20386699719744 in words is "twenty trillion, three hundred eighty-six billion, six hundred ninety-nine million, seven hundred nineteen thousand, seven hundred forty-four".