20402332414 has 4 divisors (see below), whose sum is σ = 30603498624. Its totient is φ = 10201166206.

The previous prime is 20402332403. The next prime is 20402332439. The reversal of 20402332414 is 41423320402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100583102 + ... + 5100583105.

It is an arithmetic number, because the mean of its divisors is an integer number (7650874656).

Almost surely, 2^20402332414 is an apocalyptic number.

20402332414 is a deficient number, since it is larger than the sum of its proper divisors (10201166210).

20402332414 is a wasteful number, since it uses less digits than its factorization.

20402332414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10201166209.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20402332414 its reverse (41423320402), we get a palindrome (61825652816).

The spelling of 20402332414 in words is "twenty billion, four hundred two million, three hundred thirty-two thousand, four hundred fourteen".