203530344102020 has 96 divisors (see below), whose sum is σ = 480615685304832. Its totient is φ = 71835699437568.

The previous prime is 203530344101999. The next prime is 203530344102031. The reversal of 203530344102020 is 20201443035302.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1801757 + ... + 20256036.

It is an arithmetic number, because the mean of its divisors is an integer number (5006413388592).

Almost surely, 2^{203530344102020} is an apocalyptic number.

203530344102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203530344102020 is an abundant number, since it is smaller than the sum of its proper divisors (277085341202812).

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

203530344102020 is a wasteful number, since it uses less digits than its factorization.

203530344102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22059381 (or 22059379 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 203530344102020 its reverse (20201443035302), we get a palindrome (223731787137322).

The spelling of 203530344102020 in words is "two hundred three trillion, five hundred thirty billion, three hundred forty-four million, one hundred two thousand, twenty".