206013100540 has 48 divisors (see below), whose sum is σ = 465943185792. Its totient is φ = 76060394496.

The previous prime is 206013100507. The next prime is 206013100547. The reversal of 206013100540 is 45001310602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206013100547) 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, 4607572 + ... + 4652068.

It is an arithmetic number, because the mean of its divisors is an integer number (9707149704).

Almost surely, 2^206013100540 is an apocalyptic number.

206013100540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206013100540 is an abundant number, since it is smaller than the sum of its proper divisors (259930085252).

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

206013100540 is a wasteful number, since it uses less digits than its factorization.

206013100540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62326 (or 62324 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The spelling of 206013100540 in words is "two hundred six billion, thirteen million, one hundred thousand, five hundred forty".