2520164427 has 16 divisors (see below), whose sum is σ = 3858625920. Its totient is φ = 1446984000.

The previous prime is 2520164417. The next prime is 2520164443. The reversal of 2520164427 is 7244610252.

It is not a de Polignac number, because 2520164427 - 2¹⁸ = 2519902283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2520164417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2009074 + ... + 2010327.

It is an arithmetic number, because the mean of its divisors is an integer number (241164120).

Almost surely, 2^2520164427 is an apocalyptic number.

2520164427 is a deficient number, since it is larger than the sum of its proper divisors (1338461493).

2520164427 is a wasteful number, since it uses less digits than its factorization.

2520164427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019434.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 2520164427 is about 50201.2392974516. The cubic root of 2520164427 is about 1360.8480198077.

Adding to 2520164427 its reverse (7244610252), we get a palindrome (9764774679).

The spelling of 2520164427 in words is "two billion, five hundred twenty million, one hundred sixty-four thousand, four hundred twenty-seven".