20533103025 has 12 divisors (see below), whose sum is σ = 33948063792. Its totient is φ = 10950988240.

The previous prime is 20533103023. The next prime is 20533103039. The reversal of 20533103025 is 52030133502.

It is a happy number.

It is not a de Polignac number, because 20533103025 - 2¹ = 20533103023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20533102986 and 20533103004.

It is not an unprimeable number, because it can be changed into a prime (20533103023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136887279 + ... + 136887428.

It is an arithmetic number, because the mean of its divisors is an integer number (2829005316).

Almost surely, 2^20533103025 is an apocalyptic number.

20533103025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20533103025 is a deficient number, since it is larger than the sum of its proper divisors (13414960767).

20533103025 is a wasteful number, since it uses less digits than its factorization.

20533103025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273774720 (or 273774715 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

Adding to 20533103025 its reverse (52030133502), we get a palindrome (72563236527).

The spelling of 20533103025 in words is "twenty billion, five hundred thirty-three million, one hundred three thousand, twenty-five".