20123015150 has 24 divisors (see below), whose sum is σ = 42775781520. Its totient is φ = 6899319360.

The previous prime is 20123015149. The next prime is 20123015177. The reversal of 20123015150 is 5151032102.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 28746815 + ... + 28747514.

It is an arithmetic number, because the mean of its divisors is an integer number (1782324230).

Almost surely, 2^20123015150 is an apocalyptic number.

20123015150 is an abundant number, since it is smaller than the sum of its proper divisors (22652766370).

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

20123015150 is a wasteful number, since it uses less digits than its factorization.

20123015150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57494348 (or 57494343 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 20123015150 its reverse (5151032102), we get a palindrome (25274047252).

The spelling of 20123015150 in words is "twenty billion, one hundred twenty-three million, fifteen thousand, one hundred fifty".