20348895480 has 64 divisors (see below), whose sum is σ = 61512739200. Its totient is φ = 5384945280.

The previous prime is 20348895449. The next prime is 20348895487. The reversal of 20348895480 is 8459884302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20348895487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631510 + ... + 662949.

It is an arithmetic number, because the mean of its divisors is an integer number (961136550).

Almost surely, 2^20348895480 is an apocalyptic number.

20348895480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20348895480 is an abundant number, since it is smaller than the sum of its proper divisors (41163843720).

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

20348895480 is a wasteful number, since it uses less digits than its factorization.

20348895480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294604 (or 1294600 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 20348895480 in words is "twenty billion, three hundred forty-eight million, eight hundred ninety-five thousand, four hundred eighty".