20433524354542 has 16 divisors (see below), whose sum is σ = 33099945187680. Its totient is φ = 9404587592352.

The previous prime is 20433524354497. The next prime is 20433524354561. The reversal of 20433524354542 is 24545342533402.

It is a super-2 number, since 2×20433524354542² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20433524354492 and 20433524354501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094565573 + ... + 1094584240.

It is an arithmetic number, because the mean of its divisors is an integer number (2068746574230).

Almost surely, 2^{20433524354542} is an apocalyptic number.

20433524354542 is a deficient number, since it is larger than the sum of its proper divisors (12666420833138).

20433524354542 is a wasteful number, since it uses less digits than its factorization.

20433524354542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189150187.

The product of its (nonzero) digits is 6912000, while the sum is 46.

Adding to 20433524354542 its reverse (24545342533402), we get a palindrome (44978866887944).

The spelling of 20433524354542 in words is "twenty trillion, four hundred thirty-three billion, five hundred twenty-four million, three hundred fifty-four thousand, five hundred forty-two".