20202210123 has 16 divisors (see below), whose sum is σ = 29120305920. Its totient is φ = 12414443616.

The previous prime is 20202210101. The next prime is 20202210137. The reversal of 20202210123 is 32101220202.

It is a happy number.

It is not a de Polignac number, because 20202210123 - 2¹⁸ = 20201947979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20202210323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4787415 + ... + 4791632.

It is an arithmetic number, because the mean of its divisors is an integer number (1820019120).

Almost surely, 2^20202210123 is an apocalyptic number.

20202210123 is a deficient number, since it is larger than the sum of its proper divisors (8918095797).

20202210123 is a wasteful number, since it uses less digits than its factorization.

20202210123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9579106.

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

Adding to 20202210123 its reverse (32101220202), we get a palindrome (52303430325).

The spelling of 20202210123 in words is "twenty billion, two hundred two million, two hundred ten thousand, one hundred twenty-three".