20155130110 has 32 divisors (see below), whose sum is σ = 36504022464. Its totient is φ = 8012160000.

The previous prime is 20155130101. The next prime is 20155130141. The reversal of 20155130110 is 1103155102.

It is a super-2 number, since 2×20155130110² (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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3763935 + ... + 3769285.

It is an arithmetic number, because the mean of its divisors is an integer number (1140750702).

Almost surely, 2^20155130110 is an apocalyptic number.

20155130110 is a deficient number, since it is larger than the sum of its proper divisors (16348892354).

20155130110 is a wasteful number, since it uses less digits than its factorization.

20155130110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7620.

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 20155130110 its reverse (1103155102), we get a palindrome (21258285212).

The spelling of 20155130110 in words is "twenty billion, one hundred fifty-five million, one hundred thirty thousand, one hundred ten".