20203220212 has 48 divisors (see below), whose sum is σ = 40772892160. Its totient is φ = 8580232800.

The previous prime is 20203220179. The next prime is 20203220269. The reversal of 20203220212 is 21202230202.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 2217787 + ... + 2226877.

Almost surely, 2^20203220212 is an apocalyptic number.

It is an amenable number.

20203220212 is an abundant number, since it is smaller than the sum of its proper divisors (20569671948).

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

20203220212 is a wasteful number, since it uses less digits than its factorization.

20203220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9812 (or 9810 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20203220212 its reverse (21202230202), we get a palindrome (41405450414).

The spelling of 20203220212 in words is "twenty billion, two hundred three million, two hundred twenty thousand, two hundred twelve".