20420133110 has 24 divisors (see below), whose sum is σ = 39801138480. Its totient is φ = 7539740832.

The previous prime is 20420133089. The next prime is 20420133119. The reversal of 20420133110 is 1133102402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20420133119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6039770 + ... + 6043149.

It is an arithmetic number, because the mean of its divisors is an integer number (1658380770).

Almost surely, 2^20420133110 is an apocalyptic number.

20420133110 is a deficient number, since it is larger than the sum of its proper divisors (19381005370).

20420133110 is a wasteful number, since it uses less digits than its factorization.

20420133110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12082952 (or 12082939 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20420133110 its reverse (1133102402), we get a palindrome (21553235512).

The spelling of 20420133110 in words is "twenty billion, four hundred twenty million, one hundred thirty-three thousand, one hundred ten".