20211230202 has 16 divisors (see below), whose sum is σ = 42549958560. Its totient is φ = 6382493712.

The previous prime is 20211230201. The next prime is 20211230213. The reversal of 20211230202 is 20203211202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20211230201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88645633 + ... + 88645860.

It is an arithmetic number, because the mean of its divisors is an integer number (2659372410).

Almost surely, 2^20211230202 is an apocalyptic number.

20211230202 is an abundant number, since it is smaller than the sum of its proper divisors (22338728358).

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

20211230202 is a wasteful number, since it uses less digits than its factorization.

20211230202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177291517.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20211230202 its reverse (20203211202), we get a palindrome (40414441404).

The spelling of 20211230202 in words is "twenty billion, two hundred eleven million, two hundred thirty thousand, two hundred two".