20340004332 has 48 divisors (see below), whose sum is σ = 49004347392. Its totient is φ = 6559501440.

The previous prime is 20340004309. The next prime is 20340004343. The reversal of 20340004332 is 23340004302.

It is a junction number, because it is equal to n+sod(n) for n = 20340004299 and 20340004308.

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, 2403733 + ... + 2412179.

It is an arithmetic number, because the mean of its divisors is an integer number (1020923904).

Almost surely, 2^20340004332 is an apocalyptic number.

It is an amenable number.

20340004332 is an abundant number, since it is smaller than the sum of its proper divisors (28664343060).

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

20340004332 is a wasteful number, since it uses less digits than its factorization.

20340004332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14958 (or 14956 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 20340004332 its reverse (23340004302), we get a palindrome (43680008634).

The spelling of 20340004332 in words is "twenty billion, three hundred forty million, four thousand, three hundred thirty-two".