20995098321120 has 768 divisors, whose sum is σ = 85473965187072. Its totient is φ = 4205009756160.

The previous prime is 20995098321073. The next prime is 20995098321139. The reversal of 20995098321120 is 2112389059902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 146252899 + ... + 146396381.

It is an arithmetic number, because the mean of its divisors is an integer number (111294225504).

Almost surely, 2^{20995098321120} is an apocalyptic number.

20995098321120 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 20995098321120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42736982593536).

20995098321120 is an abundant number, since it is smaller than the sum of its proper divisors (64478866865952).

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

20995098321120 is a wasteful number, since it uses less digits than its factorization.

20995098321120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143663 (or 143655 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 51.

The spelling of 20995098321120 in words is "twenty trillion, nine hundred ninety-five billion, ninety-eight million, three hundred twenty-one thousand, one hundred twenty".