206310526730 has 64 divisors (see below), whose sum is σ = 463596376320. Its totient is φ = 64220774400.

The previous prime is 206310526699. The next prime is 206310526841. The reversal of 206310526730 is 37625013602.

It is a super-2 number, since 2×206310526730² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 417920 + ... + 766340.

It is an arithmetic number, because the mean of its divisors is an integer number (7243693380).

Almost surely, 2^206310526730 is an apocalyptic number.

206310526730 is an abundant number, since it is smaller than the sum of its proper divisors (257285849590).

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

206310526730 is a wasteful number, since it uses less digits than its factorization.

206310526730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349215.

The product of its (nonzero) digits is 45360, while the sum is 35.

The spelling of 206310526730 in words is "two hundred six billion, three hundred ten million, five hundred twenty-six thousand, seven hundred thirty".