206424533055 has 32 divisors (see below), whose sum is σ = 367159080960. Its totient is φ = 98346176640.

The previous prime is 206424533053. The next prime is 206424533059. The reversal of 206424533055 is 550335424602.

It is not a de Polignac number, because 206424533055 - 2¹ = 206424533053 is a prime.

It is a super-2 number, since 2×206424533055² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206424533053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17067945 + ... + 17080034.

It is an arithmetic number, because the mean of its divisors is an integer number (11473721280).

Almost surely, 2^206424533055 is an apocalyptic number.

206424533055 is a deficient number, since it is larger than the sum of its proper divisors (160734547905).

206424533055 is a wasteful number, since it uses less digits than its factorization.

206424533055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34148031.

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 206424533055 its reverse (550335424602), we get a palindrome (756759957657).

The spelling of 206424533055 in words is "two hundred six billion, four hundred twenty-four million, five hundred thirty-three thousand, fifty-five".