20200198973652 has 36 divisors (see below), whose sum is σ = 51255764720160. Its totient is φ = 6707797374672.

The previous prime is 20200198973651. The next prime is 20200198973653. The reversal of 20200198973652 is 25637989100202.

20200198973652 is a `hidden beast` number, since 2 + 0 + 2 + 0 + 0 + 198 + 97 + 365 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (20200198973651) and next prime (20200198973653).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200198973651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1066752202 + ... + 1066771137.

Almost surely, 2^{20200198973652} is an apocalyptic number.

It is an amenable number.

20200198973652 is an abundant number, since it is smaller than the sum of its proper divisors (31055565746508).

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

20200198973652 is a wasteful number, since it uses less digits than its factorization.

20200198973652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133523612 (or 2133523607 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 20200198973652 in words is "twenty trillion, two hundred billion, one hundred ninety-eight million, nine hundred seventy-three thousand, six hundred fifty-two".