206755412204740 has 36 divisors (see below), whose sum is σ = 505073935531116. Its totient is φ = 70887569898432.

The previous prime is 206755412204707. The next prime is 206755412204753. The reversal of 206755412204740 is 47402214557602.

It can be written as a sum of positive squares in 2 ways, for example, as 25356320676036 + 181399091528704 = 5035506^2 + 13468448^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105487454227 + ... + 105487456186.

It is an arithmetic number, because the mean of its divisors is an integer number (14029831542531).

Almost surely, 2^{206755412204740} is an apocalyptic number.

206755412204740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206755412204740 is an abundant number, since it is smaller than the sum of its proper divisors (298318523326376).

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

206755412204740 is a wasteful number, since it uses less digits than its factorization.

206755412204740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210974910436 (or 210974910427 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 49.

The spelling of 206755412204740 in words is "two hundred six trillion, seven hundred fifty-five billion, four hundred twelve million, two hundred four thousand, seven hundred forty".