20340121302 has 32 divisors (see below), whose sum is σ = 45225919200. Its totient is φ = 6776193024.

The previous prime is 20340121289. The next prime is 20340121331. The reversal of 20340121302 is 20312104302.

20340121302 is a `hidden beast` number, since 2 + 0 + 340 + 1 + 21 + 302 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10027 + ... + 201942.

It is an arithmetic number, because the mean of its divisors is an integer number (1413309975).

Almost surely, 2^20340121302 is an apocalyptic number.

20340121302 is an abundant number, since it is smaller than the sum of its proper divisors (24885797898).

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

20340121302 is a wasteful number, since it uses less digits than its factorization.

20340121302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213757 (or 213751 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20340121302 its reverse (20312104302), we get a palindrome (40652225604).

The spelling of 20340121302 in words is "twenty billion, three hundred forty million, one hundred twenty-one thousand, three hundred two".