20235204242 has 8 divisors (see below), whose sum is σ = 33112152432. Its totient is φ = 9197820100.

The previous prime is 20235204239. The next prime is 20235204287. The reversal of 20235204242 is 24240253202.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459890984 + ... + 459891027.

It is an arithmetic number, because the mean of its divisors is an integer number (4139019054).

Almost surely, 2^20235204242 is an apocalyptic number.

20235204242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20235204242 is a deficient number, since it is larger than the sum of its proper divisors (12876948190).

20235204242 is a wasteful number, since it uses less digits than its factorization.

20235204242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919782024.

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 20235204242 its reverse (24240253202), we get a palindrome (44475457444).

The spelling of 20235204242 in words is "twenty billion, two hundred thirty-five million, two hundred four thousand, two hundred forty-two".