20524546407 has 8 divisors (see below), whose sum is σ = 27387166576. Its totient is φ = 13672478592.

The previous prime is 20524546387. The next prime is 20524546451. The reversal of 20524546407 is 70464542502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20524546407 - 2²⁸ = 20256110951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20524546457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2633548 + ... + 2641329.

It is an arithmetic number, because the mean of its divisors is an integer number (3423395822).

Almost surely, 2^20524546407 is an apocalyptic number.

20524546407 is a deficient number, since it is larger than the sum of its proper divisors (6862620169).

20524546407 is a wasteful number, since it uses less digits than its factorization.

20524546407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5276177.

The product of its (nonzero) digits is 268800, while the sum is 39.

The spelling of 20524546407 in words is "twenty billion, five hundred twenty-four million, five hundred forty-six thousand, four hundred seven".