20211102330 has 16 divisors (see below), whose sum is σ = 48506645664. Its totient is φ = 5389627280.

The previous prime is 20211102287. The next prime is 20211102371. The reversal of 20211102330 is 3320111202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336851676 + ... + 336851735.

It is an arithmetic number, because the mean of its divisors is an integer number (3031665354).

Almost surely, 2^20211102330 is an apocalyptic number.

20211102330 is an abundant number, since it is smaller than the sum of its proper divisors (28295543334).

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

20211102330 is a wasteful number, since it uses less digits than its factorization.

20211102330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673703421.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20211102330 its reverse (3320111202), we get a palindrome (23531213532).

The spelling of 20211102330 in words is "twenty billion, two hundred eleven million, one hundred two thousand, three hundred thirty".