20363040425 has 24 divisors (see below), whose sum is σ = 31077135936. Its totient is φ = 12889131840.

The previous prime is 20363040421. The next prime is 20363040457. The reversal of 20363040425 is 52404036302.

It is not a de Polignac number, because 20363040425 - 2² = 20363040421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20363040421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4473119 + ... + 4477668.

It is an arithmetic number, because the mean of its divisors is an integer number (1294880664).

Almost surely, 2^20363040425 is an apocalyptic number.

20363040425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20363040425 is a deficient number, since it is larger than the sum of its proper divisors (10714095511).

20363040425 is a wasteful number, since it uses less digits than its factorization.

20363040425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8950817 (or 8950812 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 20363040425 its reverse (52404036302), we get a palindrome (72767076727).

The spelling of 20363040425 in words is "twenty billion, three hundred sixty-three million, forty thousand, four hundred twenty-five".