206331203040 has 48 divisors (see below), whose sum is σ = 649943291088. Its totient is φ = 55021654016.

The previous prime is 206331202997. The next prime is 206331203041. The reversal of 206331203040 is 40302133602.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 206331203040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206331203041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214927857 + ... + 214928816.

It is an arithmetic number, because the mean of its divisors is an integer number (13540485231).

Almost surely, 2^206331203040 is an apocalyptic number.

206331203040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206331203040 is an abundant number, since it is smaller than the sum of its proper divisors (443612088048).

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

206331203040 is a wasteful number, since it uses less digits than its factorization.

206331203040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429856691 (or 429856683 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 206331203040 its reverse (40302133602), we get a palindrome (246633336642).

The spelling of 206331203040 in words is "two hundred six billion, three hundred thirty-one million, two hundred three thousand, forty".