355818020 has 12 divisors (see below), whose sum is σ = 747217884. Its totient is φ = 142327200.

The previous prime is 355817993. The next prime is 355818037. The reversal of 355818020 is 20818553.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 246113344 + 109704676 = 15688^2 + 10474^2 .

It is a super-3 number, since 3×355818020³ (a number of 27 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 8895431 + ... + 8895470.

It is an arithmetic number, because the mean of its divisors is an integer number (62268157).

Almost surely, 2^355818020 is an apocalyptic number.

It is an amenable number.

355818020 is an abundant number, since it is smaller than the sum of its proper divisors (391399864).

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

355818020 is a wasteful number, since it uses less digits than its factorization.

355818020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17790910 (or 17790908 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 355818020 is about 18863.1391873145. The cubic root of 355818020 is about 708.6133220532.

The spelling of 355818020 in words is "three hundred fifty-five million, eight hundred eighteen thousand, twenty".