20488270245 has 16 divisors (see below), whose sum is σ = 32784298560. Its totient is φ = 10926055424.

The previous prime is 20488270217. The next prime is 20488270333. The reversal of 20488270245 is 54207288402.

It is a cyclic number.

It is not a de Polignac number, because 20488270245 - 2⁵ = 20488270213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20488270197 and 20488270206.

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, 118666 + ... + 234644.

It is an arithmetic number, because the mean of its divisors is an integer number (2049018660).

Almost surely, 2^20488270245 is an apocalyptic number.

It is an amenable number.

20488270245 is a deficient number, since it is larger than the sum of its proper divisors (12296028315).

20488270245 is a wasteful number, since it uses less digits than its factorization.

20488270245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127764.

The product of its (nonzero) digits is 286720, while the sum is 42.

The spelling of 20488270245 in words is "twenty billion, four hundred eighty-eight million, two hundred seventy thousand, two hundred forty-five".