20201411042 has 4 divisors (see below), whose sum is σ = 30302116566. Its totient is φ = 10100705520.

The previous prime is 20201411017. The next prime is 20201411077. The reversal of 20201411042 is 24011410202.

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., 13703277721 + 6498133321 = 117061^2 + 80611^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20201411042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050352759 + ... + 5050352762.

Almost surely, 2^20201411042 is an apocalyptic number.

20201411042 is a deficient number, since it is larger than the sum of its proper divisors (10100705524).

20201411042 is a wasteful number, since it uses less digits than its factorization.

20201411042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100705523.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20201411042 its reverse (24011410202), we get a palindrome (44212821244).

The spelling of 20201411042 in words is "twenty billion, two hundred one million, four hundred eleven thousand, forty-two".