20156014230 has 144 divisors (see below), whose sum is σ = 53852761872. Its totient is φ = 4824512000.

The previous prime is 20156014213. The next prime is 20156014273. The reversal of 20156014230 is 3241065102.

It is a self number, because there is not a number n which added to its sum of digits gives 20156014230.

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 71 ways as a sum of consecutive naturals, for example, 28752880 + ... + 28753580.

It is an arithmetic number, because the mean of its divisors is an integer number (373977513).

Almost surely, 2^20156014230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20156014230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26926380936).

20156014230 is an abundant number, since it is smaller than the sum of its proper divisors (33696747642).

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

20156014230 is a wasteful number, since it uses less digits than its factorization.

20156014230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 20156014230 its reverse (3241065102), we get a palindrome (23397079332).

The spelling of 20156014230 in words is "twenty billion, one hundred fifty-six million, fourteen thousand, two hundred thirty".