20212203330 has 48 divisors (see below), whose sum is σ = 57329161344. Its totient is φ = 4899927840.

The previous prime is 20212203317. The next prime is 20212203337. The reversal of 20212203330 is 3330221202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20212203337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10207194 + ... + 10209173.

It is an arithmetic number, because the mean of its divisors is an integer number (1194357528).

Almost surely, 2^20212203330 is an apocalyptic number.

20212203330 is an abundant number, since it is smaller than the sum of its proper divisors (37116958014).

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

20212203330 is a wasteful number, since it uses less digits than its factorization.

20212203330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20416391 (or 20416388 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20212203330 its reverse (3330221202), we get a palindrome (23542424532).

The spelling of 20212203330 in words is "twenty billion, two hundred twelve million, two hundred three thousand, three hundred thirty".