20312150134 has 16 divisors (see below), whose sum is σ = 30999630960. Its totient is φ = 9980340480.

The previous prime is 20312150107. The next prime is 20312150143. The reversal of 20312150134 is 43105121302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321027 + ... + 379054.

It is an arithmetic number, because the mean of its divisors is an integer number (1937476935).

Almost surely, 2^20312150134 is an apocalyptic number.

20312150134 is a deficient number, since it is larger than the sum of its proper divisors (10687480826).

20312150134 is a wasteful number, since it uses less digits than its factorization.

20312150134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700335.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 20312150134 its reverse (43105121302), we get a palindrome (63417271436).

The spelling of 20312150134 in words is "twenty billion, three hundred twelve million, one hundred fifty thousand, one hundred thirty-four".