20442312201 has 16 divisors (see below), whose sum is σ = 29050869888. Its totient is φ = 12741600000.

The previous prime is 20442312199. The next prime is 20442312217. The reversal of 20442312201 is 10221324402.

It is not a de Polignac number, because 20442312201 - 2¹ = 20442312199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20442312601) 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, 1319550 + ... + 1334951.

It is an arithmetic number, because the mean of its divisors is an integer number (1815679368).

Almost surely, 2^20442312201 is an apocalyptic number.

It is an amenable number.

20442312201 is a deficient number, since it is larger than the sum of its proper divisors (8608557687).

20442312201 is a wasteful number, since it uses less digits than its factorization.

20442312201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654672.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20442312201 its reverse (10221324402), we get a palindrome (30663636603).

The spelling of 20442312201 in words is "twenty billion, four hundred forty-two million, three hundred twelve thousand, two hundred one".