20525543363 has 16 divisors (see below), whose sum is σ = 22188085920. Its totient is φ = 18875087616.

The previous prime is 20525543327. The next prime is 20525543399. The reversal of 20525543363 is 36334552502.

It is an interprime number because it is at equal distance from previous prime (20525543327) and next prime (20525543399).

It is a cyclic number.

It is not a de Polignac number, because 20525543363 - 2⁸ = 20525543107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20525543303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4665881 + ... + 4670277.

It is an arithmetic number, because the mean of its divisors is an integer number (1386755370).

Almost surely, 2^20525543363 is an apocalyptic number.

20525543363 is a deficient number, since it is larger than the sum of its proper divisors (1662542557).

20525543363 is a wasteful number, since it uses less digits than its factorization.

20525543363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5686.

The product of its (nonzero) digits is 324000, while the sum is 38.

The spelling of 20525543363 in words is "twenty billion, five hundred twenty-five million, five hundred forty-three thousand, three hundred sixty-three".