20202351212 has 6 divisors (see below), whose sum is σ = 35354114628. Its totient is φ = 10101175604.

The previous prime is 20202351199. The next prime is 20202351223. The reversal of 20202351212 is 21215320202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525293898 + ... + 2525293905.

It is an arithmetic number, because the mean of its divisors is an integer number (5892352438).

Almost surely, 2^20202351212 is an apocalyptic number.

It is an amenable number.

20202351212 is a deficient number, since it is larger than the sum of its proper divisors (15151763416).

20202351212 is a wasteful number, since it uses less digits than its factorization.

20202351212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050587807 (or 5050587805 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 20202351212 its reverse (21215320202), we get a palindrome (41417671414).

The spelling of 20202351212 in words is "twenty billion, two hundred two million, three hundred fifty-one thousand, two hundred twelve".