20048462440 has 64 divisors (see below), whose sum is σ = 49839183360. Its totient is φ = 7219491840.

The previous prime is 20048462431. The next prime is 20048462453. The reversal of 20048462440 is 4426484002.

20048462440 = 9020² + 9021² + ... + 9259².

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 20048462396 and 20048462405.

It is an unprimeable number.

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, 625296 + ... + 656575.

It is an arithmetic number, because the mean of its divisors is an integer number (778737240).

Almost surely, 2^20048462440 is an apocalyptic number.

20048462440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20048462440 is an abundant number, since it is smaller than the sum of its proper divisors (29790720920).

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

20048462440 is a wasteful number, since it uses less digits than its factorization.

20048462440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281922 (or 1281918 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 34.

The spelling of 20048462440 in words is "twenty billion, forty-eight million, four hundred sixty-two thousand, four hundred forty".