20200231212 has 24 divisors (see below), whose sum is σ = 53867283456. Its totient is φ = 5771494608.

The previous prime is 20200231199. The next prime is 20200231231. The reversal of 20200231212 is 21213200202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20200231191 and 20200231200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120239388 + ... + 120239555.

It is an arithmetic number, because the mean of its divisors is an integer number (2244470144).

Almost surely, 2^20200231212 is an apocalyptic number.

It is an amenable number.

20200231212 is an abundant number, since it is smaller than the sum of its proper divisors (33667052244).

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

20200231212 is a wasteful number, since it uses less digits than its factorization.

20200231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240478957 (or 240478955 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20200231212 its reverse (21213200202), we get a palindrome (41413431414).

The spelling of 20200231212 in words is "twenty billion, two hundred million, two hundred thirty-one thousand, two hundred twelve".