20004245364 has 24 divisors (see below), whose sum is σ = 46691171968. Its totient is φ = 6665996160.

The previous prime is 20004245363. The next prime is 20004245449. The reversal of 20004245364 is 46354240002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004245363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220492 + ... + 297699.

Almost surely, 2^20004245364 is an apocalyptic number.

It is an amenable number.

20004245364 is an abundant number, since it is smaller than the sum of its proper divisors (26686926604).

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

20004245364 is a wasteful number, since it uses less digits than its factorization.

20004245364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521415 (or 521413 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 20004245364 its reverse (46354240002), we get a palindrome (66358485366).

The spelling of 20004245364 in words is "twenty billion, four million, two hundred forty-five thousand, three hundred sixty-four".