206120236641 has 32 divisors (see below), whose sum is σ = 301127500800. Its totient is φ = 124374127680.

The previous prime is 206120236639. The next prime is 206120236667. The reversal of 206120236641 is 146632021602.

It is not a de Polignac number, because 206120236641 - 2¹ = 206120236639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (206120236691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7023300 + ... + 7052586.

It is an arithmetic number, because the mean of its divisors is an integer number (9410234400).

Almost surely, 2^206120236641 is an apocalyptic number.

It is an amenable number.

206120236641 is a deficient number, since it is larger than the sum of its proper divisors (95007264159).

206120236641 is a wasteful number, since it uses less digits than its factorization.

206120236641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30229.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 206120236641 in words is "two hundred six billion, one hundred twenty million, two hundred thirty-six thousand, six hundred forty-one".