20610120 has 64 divisors (see below), whose sum is σ = 65473920. Its totient is φ = 5172224.

The previous prime is 20610119. The next prime is 20610151. The reversal of 20610120 is 2101602.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20610096 and 20610105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3012 + ... + 7091.

It is an arithmetic number, because the mean of its divisors is an integer number (1023030).

Almost surely, 2^20610120 is an apocalyptic number.

20610120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20610120 is an abundant number, since it is smaller than the sum of its proper divisors (44863800).

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

20610120 is a wasteful number, since it uses less digits than its factorization.

20610120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10134 (or 10130 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 20610120 is about 4539.8370014792. The cubic root of 20610120 is about 274.1743611115.

Adding to 20610120 its reverse (2101602), we get a palindrome (22711722).

The spelling of 20610120 in words is "twenty million, six hundred ten thousand, one hundred twenty".