20099758113240 has 768 divisors, whose sum is σ = 69593629248000. Its totient is φ = 4628777287680.

The previous prime is 20099758113233. The next prime is 20099758113241. The reversal of 20099758113240 is 4231185799002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20099758113241) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11761121506 + ... + 11761123214.

It is an arithmetic number, because the mean of its divisors is an integer number (90616704750).

Almost surely, 2^{20099758113240} is an apocalyptic number.

20099758113240 is a gapful number since it is divisible by the number (20) 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 20099758113240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34796814624000).

20099758113240 is an abundant number, since it is smaller than the sum of its proper divisors (49493871134760).

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

20099758113240 is a wasteful number, since it uses less digits than its factorization.

20099758113240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132 (or 2115 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 20099758113240 in words is "twenty trillion, ninety-nine billion, seven hundred fifty-eight million, one hundred thirteen thousand, two hundred forty".