20485453014 has 64 divisors (see below), whose sum is σ = 49245235200. Its totient is φ = 6274902816.

The previous prime is 20485453013. The next prime is 20485453019. The reversal of 20485453014 is 41035458402.

It is a happy number.

20485453014 is a `hidden beast` number, since 20 + 48 + 54 + 530 + 14 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 20485453014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20485453013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91117 + ... + 221975.

It is an arithmetic number, because the mean of its divisors is an integer number (769456800).

Almost surely, 2^20485453014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20485453014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24622617600).

20485453014 is an abundant number, since it is smaller than the sum of its proper divisors (28759782186).

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

20485453014 is a wasteful number, since it uses less digits than its factorization.

20485453014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131106 (or 131100 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 20485453014 in words is "twenty billion, four hundred eighty-five million, four hundred fifty-three thousand, fourteen".