206013584742 has 32 divisors (see below), whose sum is σ = 471038602752. Its totient is φ = 58842223104.

The previous prime is 206013584729. The next prime is 206013584743. The reversal of 206013584742 is 247485310602.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 206013584694 and 206013584703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206013584743) 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, 650058 + ... + 913565.

It is an arithmetic number, because the mean of its divisors is an integer number (14719956336).

Almost surely, 2^206013584742 is an apocalyptic number.

206013584742 is an abundant number, since it is smaller than the sum of its proper divisors (265025018010).

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

206013584742 is a wasteful number, since it uses less digits than its factorization.

206013584742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566772.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 206013584742 in words is "two hundred six billion, thirteen million, five hundred eighty-four thousand, seven hundred forty-two".