20302150134 has 16 divisors (see below), whose sum is σ = 46404914688. Its totient is φ = 5800614312.

The previous prime is 20302150133. The next prime is 20302150151. The reversal of 20302150134 is 43105120302.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 20302150134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302150133) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 241692222 + ... + 241692305.

It is an arithmetic number, because the mean of its divisors is an integer number (2900307168).

Almost surely, 2^20302150134 is an apocalyptic number.

20302150134 is an abundant number, since it is smaller than the sum of its proper divisors (26102764554).

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

20302150134 is a wasteful number, since it uses less digits than its factorization.

20302150134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483384539.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20302150134 its reverse (43105120302), we get a palindrome (63407270436).

The spelling of 20302150134 in words is "twenty billion, three hundred two million, one hundred fifty thousand, one hundred thirty-four".