20230331212 has 96 divisors (see below), whose sum is σ = 45499345920. Its totient is φ = 7654590720.

The previous prime is 20230331087. The next prime is 20230331257. The reversal of 20230331212 is 21213303202.

It is a self number, because there is not a number n which added to its sum of digits gives 20230331212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1120537 + ... + 1138447.

It is an arithmetic number, because the mean of its divisors is an integer number (473951520).

Almost surely, 2^20230331212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20230331212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22749672960).

20230331212 is an abundant number, since it is smaller than the sum of its proper divisors (25269014708).

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

20230331212 is a wasteful number, since it uses less digits than its factorization.

20230331212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18071 (or 18069 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20230331212 its reverse (21213303202), we get a palindrome (41443634414).

The spelling of 20230331212 in words is "twenty billion, two hundred thirty million, three hundred thirty-one thousand, two hundred twelve".