20340025602 has 16 divisors (see below), whose sum is σ = 43809286080. Its totient is φ = 6258469392.

The previous prime is 20340025529. The next prime is 20340025603. The reversal of 20340025602 is 20652004302.

20340025602 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (20340025603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130384702 + ... + 130384857.

It is an arithmetic number, because the mean of its divisors is an integer number (2738080380).

Almost surely, 2^20340025602 is an apocalyptic number.

20340025602 is an abundant number, since it is smaller than the sum of its proper divisors (23469260478).

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

20340025602 is a wasteful number, since it uses less digits than its factorization.

20340025602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260769577.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 20340025602 its reverse (20652004302), we get a palindrome (40992029904).

The spelling of 20340025602 in words is "twenty billion, three hundred forty million, twenty-five thousand, six hundred two".