20301400444 has 12 divisors (see below), whose sum is σ = 38260331704. Its totient is φ = 9369877104.

The previous prime is 20301400433. The next prime is 20301400451. The reversal of 20301400444 is 44400410302.

It is a congruent number.

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, 195205722 + ... + 195205825.

Almost surely, 2^20301400444 is an apocalyptic number.

It is an amenable number.

20301400444 is a deficient number, since it is larger than the sum of its proper divisors (17958931260).

20301400444 is a wasteful number, since it uses less digits than its factorization.

20301400444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390411564 (or 390411562 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20301400444 its reverse (44400410302), we get a palindrome (64701810746).

The spelling of 20301400444 in words is "twenty billion, three hundred one million, four hundred thousand, four hundred forty-four".