201202000020 has 144 divisors (see below), whose sum is σ = 697645847808. Its totient is φ = 45979430400.

The previous prime is 201202000019. The next prime is 201202000037. The reversal of 201202000020 is 20000202102.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 201201999966 and 201202000011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7295497 + ... + 7323023.

It is an arithmetic number, because the mean of its divisors is an integer number (4844762832).

Almost surely, 2^201202000020 is an apocalyptic number.

201202000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201202000020 is an abundant number, since it is smaller than the sum of its proper divisors (496443847788).

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

201202000020 is a wasteful number, since it uses less digits than its factorization.

201202000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33350 (or 33345 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 201202000020 its reverse (20000202102), we get a palindrome (221202202122).

The spelling of 201202000020 in words is "two hundred one billion, two hundred two million, twenty", and thus it is an aban number.