206424340115 has 24 divisors (see below), whose sum is σ = 288245274480. Its totient is φ = 141502068288.

The previous prime is 206424340091. The next prime is 206424340181. The reversal of 206424340115 is 511043424602.

It is not a de Polignac number, because 206424340115 - 2¹⁸ = 206424077971 is a prime.

It is a super-2 number, since 2×206424340115² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 626204 + ... + 897206.

It is an arithmetic number, because the mean of its divisors is an integer number (12010219770).

Almost surely, 2^206424340115 is an apocalyptic number.

206424340115 is a deficient number, since it is larger than the sum of its proper divisors (81820934365).

206424340115 is a wasteful number, since it uses less digits than its factorization.

206424340115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274131 (or 274124 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 206424340115 its reverse (511043424602), we get a palindrome (717467764717).

The spelling of 206424340115 in words is "two hundred six billion, four hundred twenty-four million, three hundred forty thousand, one hundred fifteen".