20210433212 has 12 divisors (see below), whose sum is σ = 35563664136. Its totient is φ = 10049386320.

The previous prime is 20210433211. The next prime is 20210433223. The reversal of 20210433212 is 21233401202.

It is a super-2 number, since 2×20210433212² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210433211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13956758 + ... + 13958205.

It is an arithmetic number, because the mean of its divisors is an integer number (2963638678).

Almost surely, 2^20210433212 is an apocalyptic number.

It is an amenable number.

20210433212 is a deficient number, since it is larger than the sum of its proper divisors (15353230924).

20210433212 is a wasteful number, since it uses less digits than its factorization.

20210433212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27915148 (or 27915146 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20210433212 its reverse (21233401202), we get a palindrome (41443834414).

The spelling of 20210433212 in words is "twenty billion, two hundred ten million, four hundred thirty-three thousand, two hundred twelve".