20020120212 has 48 divisors (see below), whose sum is σ = 47949681024. Its totient is φ = 6498960000.

The previous prime is 20020120177. The next prime is 20020120243. The reversal of 20020120212 is 21202102002.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 61464 + ... + 209327.

It is an arithmetic number, because the mean of its divisors is an integer number (998951688).

Almost surely, 2^20020120212 is an apocalyptic number.

It is an amenable number.

20020120212 is an abundant number, since it is smaller than the sum of its proper divisors (27929560812).

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

20020120212 is a wasteful number, since it uses less digits than its factorization.

20020120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270960 (or 270958 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20020120212 its reverse (21202102002), we get a palindrome (41222222214).

The spelling of 20020120212 in words is "twenty billion, twenty million, one hundred twenty thousand, two hundred twelve".