20430115020402 has 16 divisors (see below), whose sum is σ = 40923974557152. Its totient is φ = 6799414254080.

The previous prime is 20430115020391. The next prime is 20430115020421. The reversal of 20430115020402 is 20402051103402.

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, 2656017348 + ... + 2656025039.

It is an arithmetic number, because the mean of its divisors is an integer number (2557748409822).

Almost surely, 2^{20430115020402} is an apocalyptic number.

20430115020402 is an abundant number, since it is smaller than the sum of its proper divisors (20493859536750).

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

20430115020402 is a wasteful number, since it uses less digits than its factorization.

20430115020402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5312043033.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 20430115020402 its reverse (20402051103402), we get a palindrome (40832166123804).

The spelling of 20430115020402 in words is "twenty trillion, four hundred thirty billion, one hundred fifteen million, twenty thousand, four hundred two".