20143420244 has 24 divisors (see below), whose sum is σ = 35961198336. Its totient is φ = 9870012000.

The previous prime is 20143420211. The next prime is 20143420259. The reversal of 20143420244 is 44202434102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86192 + ... + 218439.

It is an arithmetic number, because the mean of its divisors is an integer number (1498383264).

Almost surely, 2^20143420244 is an apocalyptic number.

It is an amenable number.

20143420244 is a deficient number, since it is larger than the sum of its proper divisors (15817778092).

20143420244 is a wasteful number, since it uses less digits than its factorization.

20143420244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304967 (or 304965 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20143420244 its reverse (44202434102), we get a palindrome (64345854346).

The spelling of 20143420244 in words is "twenty billion, one hundred forty-three million, four hundred twenty thousand, two hundred forty-four".