20147059025 has 12 divisors (see below), whose sum is σ = 25164710412. Its totient is φ = 15999997440.

The previous prime is 20147058889. The next prime is 20147059027. The reversal of 20147059025 is 52095074102.

It can be written as a sum of positive squares in 6 ways, for example, as 50027329 + 20097031696 = 7073^2 + 141764^2 .

It is not a de Polignac number, because 20147059025 - 2⁸ = 20147058769 is a prime.

It is a super-3 number, since 3×20147059025³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20147059027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2937752 + ... + 2944601.

It is an arithmetic number, because the mean of its divisors is an integer number (2097059201).

Almost surely, 2^20147059025 is an apocalyptic number.

20147059025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20147059025 is a deficient number, since it is larger than the sum of its proper divisors (5017651387).

20147059025 is a wasteful number, since it uses less digits than its factorization.

20147059025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882500 (or 5882495 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 20147059025 in words is "twenty billion, one hundred forty-seven million, fifty-nine thousand, twenty-five".