20200212120 has 64 divisors (see below), whose sum is σ = 66109789440. Its totient is φ = 4897020800.

The previous prime is 20200211947. The next prime is 20200212127. The reversal of 20200212120 is 2121200202.

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

It is a junction number, because it is equal to n+sod(n) for n = 20200212096 and 20200212105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200212127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7650276 + ... + 7652915.

It is an arithmetic number, because the mean of its divisors is an integer number (1032965460).

Almost surely, 2^20200212120 is an apocalyptic number.

20200212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200212120 is an abundant number, since it is smaller than the sum of its proper divisors (45909577320).

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

20200212120 is a wasteful number, since it uses less digits than its factorization.

20200212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15303216 (or 15303212 counting only the distinct ones).

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

Adding to 20200212120 its reverse (2121200202), we get a palindrome (22321412322).

The spelling of 20200212120 in words is "twenty billion, two hundred million, two hundred twelve thousand, one hundred twenty".