20133425042 has 16 divisors (see below), whose sum is σ = 30703887000. Its totient is φ = 9900134400.

The previous prime is 20133425033. The next prime is 20133425077. The reversal of 20133425042 is 24052433102.

It can be written as a sum of positive squares in 4 ways, for example, as 16027306801 + 4106118241 = 126599^2 + 64079^2 .

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, 304367 + ... + 364562.

Almost surely, 2^20133425042 is an apocalyptic number.

20133425042 is a deficient number, since it is larger than the sum of its proper divisors (10570461958).

20133425042 is a wasteful number, since it uses less digits than its factorization.

20133425042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669181.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 20133425042 its reverse (24052433102), we get a palindrome (44185858144).

The spelling of 20133425042 in words is "twenty billion, one hundred thirty-three million, four hundred twenty-five thousand, forty-two".