20010215025 has 48 divisors (see below), whose sum is σ = 37656131520. Its totient is φ = 10411804800.

The previous prime is 20010215021. The next prime is 20010215087. The reversal of 20010215025 is 52051201002.

It is not a de Polignac number, because 20010215025 - 2² = 20010215021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20010214989 and 20010215007.

It is not an unprimeable number, because it can be changed into a prime (20010215021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 333847 + ... + 389196.

It is an arithmetic number, because the mean of its divisors is an integer number (784502740).

Almost surely, 2^20010215025 is an apocalyptic number.

20010215025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20010215025 is a deficient number, since it is larger than the sum of its proper divisors (17645916495).

20010215025 is a wasteful number, since it uses less digits than its factorization.

20010215025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723103 (or 723092 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

Adding to 20010215025 its reverse (52051201002), we get a palindrome (72061416027).

The spelling of 20010215025 in words is "twenty billion, ten million, two hundred fifteen thousand, twenty-five".