20468101574 has 12 divisors (see below), whose sum is σ = 31797356604. Its totient is φ = 9881151672.

The previous prime is 20468101561. The next prime is 20468101657. The reversal of 20468101574 is 47510186402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6082772 + ... + 6086135.

It is an arithmetic number, because the mean of its divisors is an integer number (2649779717).

Almost surely, 2^20468101574 is an apocalyptic number.

20468101574 is a deficient number, since it is larger than the sum of its proper divisors (11329255030).

20468101574 is a wasteful number, since it uses less digits than its factorization.

20468101574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12168967 (or 12168938 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

Adding to 20468101574 its reverse (47510186402), we get a palindrome (67978287976).

The spelling of 20468101574 in words is "twenty billion, four hundred sixty-eight million, one hundred one thousand, five hundred seventy-four".