20423210110 has 8 divisors (see below), whose sum is σ = 36761778216. Its totient is φ = 8169284040.

The previous prime is 20423210069. The next prime is 20423210131. The reversal of 20423210110 is 1101232402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20423210110² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021160496 + ... + 1021160515.

It is an arithmetic number, because the mean of its divisors is an integer number (4595222277).

Almost surely, 2^20423210110 is an apocalyptic number.

20423210110 is a deficient number, since it is larger than the sum of its proper divisors (16338568106).

20423210110 is a wasteful number, since it uses less digits than its factorization.

20423210110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042321018.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20423210110 its reverse (1101232402), we get a palindrome (21524442512).

The spelling of 20423210110 in words is "twenty billion, four hundred twenty-three million, two hundred ten thousand, one hundred ten".