20202042525 has 96 divisors (see below), whose sum is σ = 40486361088. Its totient is φ = 8688556800.

The previous prime is 20202042461. The next prime is 20202042533. The reversal of 20202042525 is 52524020202.

It is a happy number.

It is not a de Polignac number, because 20202042525 - 2⁶ = 20202042461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20202042495 and 20202042504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 722862 + ... + 750288.

It is an arithmetic number, because the mean of its divisors is an integer number (421732928).

Almost surely, 2^20202042525 is an apocalyptic number.

20202042525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20202042525 is an abundant number, since it is smaller than the sum of its proper divisors (20284318563).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20202042525 is a wasteful number, since it uses less digits than its factorization.

20202042525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27531 (or 27526 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

Adding to 20202042525 its reverse (52524020202), we get a palindrome (72726062727).

The spelling of 20202042525 in words is "twenty billion, two hundred two million, forty-two thousand, five hundred twenty-five".