10020111442 has 32 divisors (see below), whose sum is σ = 17071907328. Its totient is φ = 4370640000.

The previous prime is 10020111433. The next prime is 10020111443. The reversal of 10020111442 is 24411102001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10020111443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36034 + ... + 146077.

It is an arithmetic number, because the mean of its divisors is an integer number (533497104).

Almost surely, 2^10020111442 is an apocalyptic number.

10020111442 is a deficient number, since it is larger than the sum of its proper divisors (7051795886).

10020111442 is a wasteful number, since it uses less digits than its factorization.

10020111442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182226.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10020111442 its reverse (24411102001), we get a palindrome (34431213443).

The spelling of 10020111442 in words is "ten billion, twenty million, one hundred eleven thousand, four hundred forty-two".