20020012101200 has 30 divisors (see below), whose sum is σ = 48098079074094. Its totient is φ = 8008004840320.

The previous prime is 20020012101077. The next prime is 20020012101211. The reversal of 20020012101200 is 210121002002.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1291959582736 + 18728052518464 = 1136644^2 + 4327592^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25025014727 + ... + 25025015526.

Almost surely, 2^{20020012101200} is an apocalyptic number.

20020012101200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020012101200 is an abundant number, since it is smaller than the sum of its proper divisors (28078066972894).

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

20020012101200 is a wasteful number, since it uses less digits than its factorization.

20020012101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50050030271 (or 50050030260 counting only the distinct ones).

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

Adding to 20020012101200 its reverse (210121002002), we get a palindrome (20230133103202).

The spelling of 20020012101200 in words is "twenty trillion, twenty billion, twelve million, one hundred one thousand, two hundred".