20101442307 has 16 divisors (see below), whose sum is σ = 27739514880. Its totient is φ = 12932612000.

The previous prime is 20101442297. The next prime is 20101442363. The reversal of 20101442307 is 70324410102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20101442307 - 2⁸ = 20101442051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20101442707) 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, 128932 + ... + 238382.

It is an arithmetic number, because the mean of its divisors is an integer number (1733719680).

Almost surely, 2^20101442307 is an apocalyptic number.

20101442307 is a deficient number, since it is larger than the sum of its proper divisors (7638072573).

20101442307 is a wasteful number, since it uses less digits than its factorization.

20101442307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111594.

The product of its (nonzero) digits is 1344, while the sum is 24.

Adding to 20101442307 its reverse (70324410102), we get a palindrome (90425852409).

The spelling of 20101442307 in words is "twenty billion, one hundred one million, four hundred forty-two thousand, three hundred seven".