20354223042 has 24 divisors (see below), whose sum is σ = 44371380144. Its totient is φ = 6743115864.

The previous prime is 20354223041. The next prime is 20354223067. The reversal of 20354223042 is 24032245302.

It is a happy number.

20354223042 is a `hidden beast` number, since 2 + 0 + 354 + 2 + 2 + 304 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20354222997 and 20354223015.

It is not an unprimeable number, because it can be changed into a prime (20354223041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3465748 + ... + 3471615.

It is an arithmetic number, because the mean of its divisors is an integer number (1848807506).

Almost surely, 2^20354223042 is an apocalyptic number.

20354223042 is an abundant number, since it is smaller than the sum of its proper divisors (24017157102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20354223042 is a wasteful number, since it uses less digits than its factorization.

20354223042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6937534 (or 6937531 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 20354223042 its reverse (24032245302), we get a palindrome (44386468344).

The spelling of 20354223042 in words is "twenty billion, three hundred fifty-four million, two hundred twenty-three thousand, forty-two".