20115214310 has 32 divisors (see below), whose sum is σ = 38148364800. Its totient is φ = 7615542240.

The previous prime is 20115214247. The next prime is 20115214417. The reversal of 20115214310 is 1341251102.

It is a super-2 number, since 2×20115214310² (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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158771 + ... + 255809.

It is an arithmetic number, because the mean of its divisors is an integer number (1192136400).

Almost surely, 2^20115214310 is an apocalyptic number.

20115214310 is a deficient number, since it is larger than the sum of its proper divisors (18033150490).

20115214310 is a wasteful number, since it uses less digits than its factorization.

20115214310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98156.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 20115214310 its reverse (1341251102), we get a palindrome (21456465412).

The spelling of 20115214310 in words is "twenty billion, one hundred fifteen million, two hundred fourteen thousand, three hundred ten".