20247442023404 has 48 divisors (see below), whose sum is σ = 35974854699840. Its totient is φ = 9969998438400.

The previous prime is 20247442023397. The next prime is 20247442023407. The reversal of 20247442023404 is 40432024474202.

It is a super-2 number, since 2×20247442023404² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20247442023407) 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, 624461537 + ... + 624493959.

It is an arithmetic number, because the mean of its divisors is an integer number (749476139580).

Almost surely, 2^{20247442023404} is an apocalyptic number.

It is an amenable number.

20247442023404 is a deficient number, since it is larger than the sum of its proper divisors (15727412676436).

20247442023404 is a wasteful number, since it uses less digits than its factorization.

20247442023404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40730 (or 40728 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 38.

Adding to 20247442023404 its reverse (40432024474202), we get a palindrome (60679466497606).

The spelling of 20247442023404 in words is "twenty trillion, two hundred forty-seven billion, four hundred forty-two million, twenty-three thousand, four hundred four".