206189083140 has 48 divisors (see below), whose sum is σ = 577383495360. Its totient is φ = 54978606720.

The previous prime is 206189083097. The next prime is 206189083153. The reversal of 206189083140 is 41380981602.

It is a super-2 number, since 2×206189083140² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 206189083092 and 206189083101.

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, 508170 + ... + 818910.

It is an arithmetic number, because the mean of its divisors is an integer number (12028822820).

Almost surely, 2^206189083140 is an apocalyptic number.

206189083140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206189083140 is an abundant number, since it is smaller than the sum of its proper divisors (371194412220).

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

206189083140 is a wasteful number, since it uses less digits than its factorization.

206189083140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321812 (or 321810 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 206189083140 in words is "two hundred six billion, one hundred eighty-nine million, eighty-three thousand, one hundred forty".