20020223212 has 48 divisors (see below), whose sum is σ = 40292904960. Its totient is φ = 8619148800.

The previous prime is 20020223191. The next prime is 20020223261. The reversal of 20020223212 is 21232202002.

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, 92037 + ... + 220252.

It is an arithmetic number, because the mean of its divisors is an integer number (839435520).

Almost surely, 2^20020223212 is an apocalyptic number.

20020223212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20020223212 is an abundant number, since it is smaller than the sum of its proper divisors (20272681748).

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

20020223212 is a wasteful number, since it uses less digits than its factorization.

20020223212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312382 (or 312380 counting only the distinct ones).

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

Adding to 20020223212 its reverse (21232202002), we get a palindrome (41252425214).

The spelling of 20020223212 in words is "twenty billion, twenty million, two hundred twenty-three thousand, two hundred twelve".