20612565501200 has 120 divisors (see below), whose sum is σ = 50677321229568. Its totient is φ = 8052651210240.

The previous prime is 20612565501137. The next prime is 20612565501223. The reversal of 20612565501200 is 210556521602.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 262484342 + ... + 262562858.

Almost surely, 2^{20612565501200} is an apocalyptic number.

20612565501200 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 20612565501200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25338660614784).

20612565501200 is an abundant number, since it is smaller than the sum of its proper divisors (30064755728368).

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

20612565501200 is a wasteful number, since it uses less digits than its factorization.

20612565501200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93841 (or 93830 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 20612565501200 in words is "twenty trillion, six hundred twelve billion, five hundred sixty-five million, five hundred one thousand, two hundred".