20164425048 has 24 divisors (see below), whose sum is σ = 54611984700. Its totient is φ = 6721474992.

The previous prime is 20164425037. The next prime is 20164425049. The reversal of 20164425048 is 84052446102.

20164425048 is a `hidden beast` number, since 2 + 0 + 1 + 644 + 2 + 5 + 0 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20164425049) 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 5 ways as a sum of consecutive naturals, for example, 140030658 + ... + 140030801.

Almost surely, 2^20164425048 is an apocalyptic number.

It is an amenable number.

20164425048 is an abundant number, since it is smaller than the sum of its proper divisors (34447559652).

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

20164425048 is a wasteful number, since it uses less digits than its factorization.

20164425048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280061471 (or 280061464 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The spelling of 20164425048 in words is "twenty billion, one hundred sixty-four million, four hundred twenty-five thousand, forty-eight".