200720534641 has 16 divisors (see below), whose sum is σ = 241928684928. Its totient is φ = 164272556800.

The previous prime is 200720534603. The next prime is 200720534653. The reversal of 200720534641 is 146435027002.

It is not a de Polignac number, because 200720534641 - 2¹³ = 200720526449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200720534597 and 200720534606.

It is not an unprimeable number, because it can be changed into a prime (200720534671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23329870 + ... + 23338471.

It is an arithmetic number, because the mean of its divisors is an integer number (15120542808).

Almost surely, 2^200720534641 is an apocalyptic number.

It is an amenable number.

200720534641 is a deficient number, since it is larger than the sum of its proper divisors (41208150287).

200720534641 is a wasteful number, since it uses less digits than its factorization.

200720534641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46668392.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 200720534641 in words is "two hundred billion, seven hundred twenty million, five hundred thirty-four thousand, six hundred forty-one".