20488205068446 has 32 divisors (see below), whose sum is σ = 43388142283008. Its totient is φ = 6427471425920.

The previous prime is 20488205068417. The next prime is 20488205068451. The reversal of 20488205068446 is 64486050288402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162001 + ... + 6403331.

It is an arithmetic number, because the mean of its divisors is an integer number (1355879446344).

Almost surely, 2^{20488205068446} is an apocalyptic number.

20488205068446 is an abundant number, since it is smaller than the sum of its proper divisors (22899937214562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20488205068446 is a wasteful number, since it uses less digits than its factorization.

20488205068446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6273536.

The product of its (nonzero) digits is 23592960, while the sum is 57.

The spelling of 20488205068446 in words is "twenty trillion, four hundred eighty-eight billion, two hundred five million, sixty-eight thousand, four hundred forty-six".