20012050442 has 8 divisors (see below), whose sum is σ = 30026180100. Its totient is φ = 10003323744.

The previous prime is 20012050393. The next prime is 20012050481. The reversal of 20012050442 is 24405021002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19892563681 + 119486761 = 141041^2 + 10931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341467 + ... + 1356302.

Almost surely, 2^20012050442 is an apocalyptic number.

20012050442 is a deficient number, since it is larger than the sum of its proper divisors (10014129658).

20012050442 is a wasteful number, since it uses less digits than its factorization.

20012050442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2701480.

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 20012050442 its reverse (24405021002), we get a palindrome (44417071444).

The spelling of 20012050442 in words is "twenty billion, twelve million, fifty thousand, four hundred forty-two".