20404241522 has 32 divisors (see below), whose sum is σ = 35382417408. Its totient is φ = 8644102416.

The previous prime is 20404241521. The next prime is 20404241537. The reversal of 20404241522 is 22514240402.

It is a junction number, because it is equal to n+sod(n) for n = 20404241491 and 20404241500.

It is not an unprimeable number, because it can be changed into a prime (20404241521) 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, 684983 + ... + 714149.

It is an arithmetic number, because the mean of its divisors is an integer number (1105700544).

Almost surely, 2^20404241522 is an apocalyptic number.

20404241522 is a deficient number, since it is larger than the sum of its proper divisors (14978175886).

20404241522 is a wasteful number, since it uses less digits than its factorization.

20404241522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29750.

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 20404241522 its reverse (22514240402), we get a palindrome (42918481924).

The spelling of 20404241522 in words is "twenty billion, four hundred four million, two hundred forty-one thousand, five hundred twenty-two".