20514419560 has 64 divisors (see below), whose sum is σ = 47799596880. Its totient is φ = 7918909440.

The previous prime is 20514419557. The next prime is 20514419561. The reversal of 20514419560 is 6591441502.

It can be written as a sum of positive squares in 8 ways, for example, as 11356312356 + 9158107204 = 106566^2 + 95698^2 .

It is not an unprimeable number, because it can be changed into a prime (20514419561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50004 + ... + 208636.

Almost surely, 2^20514419560 is an apocalyptic number.

20514419560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20514419560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23899798440).

20514419560 is an abundant number, since it is smaller than the sum of its proper divisors (27285177320).

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

20514419560 is a wasteful number, since it uses less digits than its factorization.

20514419560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158758 (or 158754 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 20514419560 in words is "twenty billion, five hundred fourteen million, four hundred nineteen thousand, five hundred sixty".