2420203525 has 6 divisors (see below), whose sum is σ = 3001052402. Its totient is φ = 1936162800.

The previous prime is 2420203523. The next prime is 2420203553. The reversal of 2420203525 is 5253020242.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 4186116 + 2416017409 = 2046^2 + 49153^2 .

It is not a de Polignac number, because 2420203525 - 2¹ = 2420203523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 96808141 = 2420203525 / (2 + 4 + 2 + 0 + 2 + 0 + 3 + 5 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2420203525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420203523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48404046 + ... + 48404095.

Almost surely, 2^2420203525 is an apocalyptic number.

2420203525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2420203525 is a deficient number, since it is larger than the sum of its proper divisors (580848877).

2420203525 is an equidigital number, since it uses as much as digits as its factorization.

2420203525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96808151 (or 96808146 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2420203525 is about 49195.5640784817. The cubic root of 2420203525 is about 1342.6123252608.

Adding to 2420203525 its reverse (5253020242), we get a palindrome (7673223767).

The spelling of 2420203525 in words is "two billion, four hundred twenty million, two hundred three thousand, five hundred twenty-five".