20070200725 has 6 divisors (see below), whose sum is σ = 24887048930. Its totient is φ = 16056160560.

The previous prime is 20070200713. The next prime is 20070200753. The reversal of 20070200725 is 52700207002.

It can be written as a sum of positive squares in 3 ways, for example, as 1288594609 + 18781606116 = 35897^2 + 137046^2 .

It is not a de Polignac number, because 20070200725 - 2¹³ = 20070192533 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: 802808029 = 20070200725 / (2 + 0 + 0 + 7 + 0 + 2 + 0 + 0 + 7 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 20070200725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 401403990 + ... + 401404039.

Almost surely, 2^20070200725 is an apocalyptic number.

20070200725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20070200725 is a deficient number, since it is larger than the sum of its proper divisors (4816848205).

20070200725 is an equidigital number, since it uses as much as digits as its factorization.

20070200725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802808039 (or 802808034 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

Adding to 20070200725 its reverse (52700207002), we get a palindrome (72770407727).

The spelling of 20070200725 in words is "twenty billion, seventy million, two hundred thousand, seven hundred twenty-five".