20403410102 has 4 divisors (see below), whose sum is σ = 30605115156. Its totient is φ = 10201705050.

The previous prime is 20403410077. The next prime is 20403410107. The reversal of 20403410102 is 20101430402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20101430402 = 2 ⋅10050715201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20403410107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100852524 + ... + 5100852527.

It is an arithmetic number, because the mean of its divisors is an integer number (7651278789).

Almost surely, 2^20403410102 is an apocalyptic number.

20403410102 is a deficient number, since it is larger than the sum of its proper divisors (10201705054).

20403410102 is a wasteful number, since it uses less digits than its factorization.

20403410102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10201705053.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20403410102 its reverse (20101430402), we get a palindrome (40504840504).

The spelling of 20403410102 in words is "twenty billion, four hundred three million, four hundred ten thousand, one hundred two".