20200113212 has 24 divisors (see below), whose sum is σ = 36924232800. Its totient is φ = 9657095616.

The previous prime is 20200113203. The next prime is 20200113233. The reversal of 20200113212 is 21231100202.

It is a happy number.

It is a congruent number.

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, 833387 + ... + 857282.

It is an arithmetic number, because the mean of its divisors is an integer number (1538509700).

Almost surely, 2^20200113212 is an apocalyptic number.

It is an amenable number.

20200113212 is a deficient number, since it is larger than the sum of its proper divisors (16724119588).

20200113212 is a wasteful number, since it uses less digits than its factorization.

20200113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690805 (or 1690803 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20200113212 its reverse (21231100202), we get a palindrome (41431213414).

The spelling of 20200113212 in words is "twenty billion, two hundred million, one hundred thirteen thousand, two hundred twelve".