206246621750780 has 48 divisors (see below), whose sum is σ = 466482022411104. Its totient is φ = 76144867411200.

The previous prime is 206246621750629. The next prime is 206246621750797. The reversal of 206246621750780 is 87057126642602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37701467 + ... + 42823986.

It is an arithmetic number, because the mean of its divisors is an integer number (9718375466898).

Almost surely, 2^{206246621750780} is an apocalyptic number.

206246621750780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206246621750780 is an abundant number, since it is smaller than the sum of its proper divisors (260235400660324).

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

206246621750780 is a wasteful number, since it uses less digits than its factorization.

206246621750780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80535326 (or 80535324 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 206246621750780 in words is "two hundred six trillion, two hundred forty-six billion, six hundred twenty-one million, seven hundred fifty thousand, seven hundred eighty".