20524463427 has 8 divisors (see below), whose sum is σ = 29471024464. Its totient is φ = 12630439008.

The previous prime is 20524463413. The next prime is 20524463447. The reversal of 20524463427 is 72436442502.

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

It is not a de Polignac number, because 20524463427 - 2⁴ = 20524463411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 526268293 = 20524463427 / (2 + 0 + 5 + 2 + 4 + 4 + 6 + 3 + 4 + 2 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20524463447) 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, 263134108 + ... + 263134185.

It is an arithmetic number, because the mean of its divisors is an integer number (3683878058).

Almost surely, 2^20524463427 is an apocalyptic number.

20524463427 is a deficient number, since it is larger than the sum of its proper divisors (8946561037).

20524463427 is a wasteful number, since it uses less digits than its factorization.

20524463427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526268309.

The product of its (nonzero) digits is 322560, while the sum is 39.

The spelling of 20524463427 in words is "twenty billion, five hundred twenty-four million, four hundred sixty-three thousand, four hundred twenty-seven".