206424515052 has 72 divisors (see below), whose sum is σ = 596737997856. Its totient is φ = 58938822144.

The previous prime is 206424515009. The next prime is 206424515053. The reversal of 206424515052 is 250515424602.

206424515052 is a `hidden beast` number, since 2 + 0 + 642 + 4 + 5 + 1 + 5 + 0 + 5 + 2 = 666.

It is a super-2 number, since 2×206424515052² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 206424514998 and 206424515016.

It is not an unprimeable number, because it can be changed into a prime (206424515053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101908 + ... + 650564.

It is an arithmetic number, because the mean of its divisors is an integer number (8288027748).

Almost surely, 2^206424515052 is an apocalyptic number.

It is an amenable number.

206424515052 is an abundant number, since it is smaller than the sum of its proper divisors (390313482804).

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

206424515052 is a wasteful number, since it uses less digits than its factorization.

206424515052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550167 (or 550162 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 206424515052 its reverse (250515424602), we get a palindrome (456939939654).

The spelling of 206424515052 in words is "two hundred six billion, four hundred twenty-four million, five hundred fifteen thousand, fifty-two".