20113203242 has 8 divisors (see below), whose sum is σ = 32912514432. Its totient is φ = 9142365100.

The previous prime is 20113203203. The next prime is 20113203307. The reversal of 20113203242 is 24230231102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457118234 + ... + 457118277.

It is an arithmetic number, because the mean of its divisors is an integer number (4114064304).

Almost surely, 2^20113203242 is an apocalyptic number.

20113203242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20113203242 is a deficient number, since it is larger than the sum of its proper divisors (12799311190).

20113203242 is a wasteful number, since it uses less digits than its factorization.

20113203242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914236524.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20113203242 its reverse (24230231102), we get a palindrome (44343434344).

The spelling of 20113203242 in words is "twenty billion, one hundred thirteen million, two hundred three thousand, two hundred forty-two".