355000020 has 48 divisors (see below), whose sum is σ = 1028280960. Its totient is φ = 91401856.

The previous prime is 355000007. The next prime is 355000027. The reversal of 355000020 is 20000553.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355000027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100272 + ... + 103751.

It is an arithmetic number, because the mean of its divisors is an integer number (21422520).

Almost surely, 2^355000020 is an apocalyptic number.

355000020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

355000020 is an abundant number, since it is smaller than the sum of its proper divisors (673280940).

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

355000020 is a wasteful number, since it uses less digits than its factorization.

355000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204064 (or 204062 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 355000020 is about 18841.4442121617. Note that the first 3 decimals coincide. The cubic root of 355000020 is about 708.0698884056.

Adding to 355000020 its reverse (20000553), we get a palindrome (375000573).

The spelling of 355000020 in words is "three hundred fifty-five million, twenty", and thus it is an aban number.