20754014042 has 4 divisors (see below), whose sum is σ = 31131021066. Its totient is φ = 10377007020.

The previous prime is 20754013997. The next prime is 20754014077. The reversal of 20754014042 is 24041045702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20030457841 + 723556201 = 141529^2 + 26899^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20754013996 and 20754014014.

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 as a sum of consecutive naturals, namely, 5188503509 + ... + 5188503512.

Almost surely, 2^20754014042 is an apocalyptic number.

20754014042 is a deficient number, since it is larger than the sum of its proper divisors (10377007024).

20754014042 is a wasteful number, since it uses less digits than its factorization.

20754014042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10377007023.

The product of its (nonzero) digits is 8960, while the sum is 29.

Adding to 20754014042 its reverse (24041045702), we get a palindrome (44795059744).

The spelling of 20754014042 in words is "twenty billion, seven hundred fifty-four million, fourteen thousand, forty-two".