200201100021020 has 48 divisors (see below), whose sum is σ = 480519721543680. Its totient is φ = 68635079793984.

The previous prime is 200201100020969. The next prime is 200201100021031. The reversal of 200201100021020 is 20120001102002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 200201100020992 and 200201100021010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53360054 + ... + 56988573.

It is an arithmetic number, because the mean of its divisors is an integer number (10010827532160).

Almost surely, 2^{200201100021020} is an apocalyptic number.

200201100021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200201100021020 is an abundant number, since it is smaller than the sum of its proper divisors (280318621522660).

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

200201100021020 is a wasteful number, since it uses less digits than its factorization.

200201100021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110361602 (or 110361600 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200201100021020 its reverse (20120001102002), we get a palindrome (220321101123022).

The spelling of 200201100021020 in words is "two hundred trillion, two hundred one billion, one hundred million, twenty-one thousand, twenty".