20465110552 has 16 divisors (see below), whose sum is σ = 39409166160. Its totient is φ = 9955999584.

The previous prime is 20465110541. The next prime is 20465110573. The reversal of 20465110552 is 25501156402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34569148 + ... + 34569739.

It is an arithmetic number, because the mean of its divisors is an integer number (2463072885).

Almost surely, 2^20465110552 is an apocalyptic number.

It is an amenable number.

20465110552 is a deficient number, since it is larger than the sum of its proper divisors (18944055608).

20465110552 is a wasteful number, since it uses less digits than its factorization.

20465110552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69138930 (or 69138926 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 20465110552 its reverse (25501156402), we get a palindrome (45966266954).

The spelling of 20465110552 in words is "twenty billion, four hundred sixty-five million, one hundred ten thousand, five hundred fifty-two".