20235254242 has 8 divisors (see below), whose sum is σ = 34689007296. Its totient is φ = 8672251812.

The previous prime is 20235254233. The next prime is 20235254279. The reversal of 20235254242 is 24245253202.

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722687638 + ... + 722687665.

It is an arithmetic number, because the mean of its divisors is an integer number (4336125912).

Almost surely, 2^20235254242 is an apocalyptic number.

20235254242 is a deficient number, since it is larger than the sum of its proper divisors (14453753054).

20235254242 is a wasteful number, since it uses less digits than its factorization.

20235254242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445375312.

The product of its (nonzero) digits is 38400, while the sum is 31.

The spelling of 20235254242 in words is "twenty billion, two hundred thirty-five million, two hundred fifty-four thousand, two hundred forty-two".