206420541 has 16 divisors (see below), whose sum is σ = 290197440. Its totient is φ = 130152960.

The previous prime is 206420519. The next prime is 206420629. The reversal of 206420541 is 145024602.

It is not a de Polignac number, because 206420541 - 2⁵ = 206420509 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206427541) 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, 35671 + ... + 41051.

It is an arithmetic number, because the mean of its divisors is an integer number (18137340).

Almost surely, 2^206420541 is an apocalyptic number.

It is an amenable number.

206420541 is a deficient number, since it is larger than the sum of its proper divisors (83776899).

206420541 is a wasteful number, since it uses less digits than its factorization.

206420541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6076.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 206420541 is about 14367.3428649838. The cubic root of 206420541 is about 590.9956768016.

The spelling of 206420541 in words is "two hundred six million, four hundred twenty thousand, five hundred forty-one".