20191612375200 has 1152 divisors, whose sum is σ = 81035313408000. Its totient is φ = 4264407613440.

The previous prime is 20191612375183. The next prime is 20191612375243. The reversal of 20191612375200 is 257321619102.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2926741351 + ... + 2926748249.

It is an arithmetic number, because the mean of its divisors is an integer number (70343154000).

Almost surely, 2^{20191612375200} is an apocalyptic number.

20191612375200 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 20191612375200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40517656704000).

20191612375200 is an abundant number, since it is smaller than the sum of its proper divisors (60843701032800).

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

20191612375200 is a wasteful number, since it uses less digits than its factorization.

20191612375200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7174 (or 7161 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 20191612375200 in words is "twenty trillion, one hundred ninety-one billion, six hundred twelve million, three hundred seventy-five thousand, two hundred".