200203102021020 has 96 divisors (see below), whose sum is σ = 678335216283648. Its totient is φ = 43068902618112.

The previous prime is 200203102021007. The next prime is 200203102021031. The reversal of 200203102021020 is 20120201302002.

It is a happy number.

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

It is a congruent 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, 14019817932 + ... + 14019832211.

It is an arithmetic number, because the mean of its divisors is an integer number (7065991836288).

Almost surely, 2^{200203102021020} is an apocalyptic number.

200203102021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200203102021020 is an abundant number, since it is smaller than the sum of its proper divisors (478132114262628).

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

200203102021020 is a wasteful number, since it uses less digits than its factorization.

200203102021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28039650179 (or 28039650177 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 200203102021020 its reverse (20120201302002), we get a palindrome (220323303323022).

The spelling of 200203102021020 in words is "two hundred trillion, two hundred three billion, one hundred two million, twenty-one thousand, twenty".