20361552253 has 24 divisors (see below), whose sum is σ = 24000090048. Its totient is φ = 16920977472.

The previous prime is 20361552223. The next prime is 20361552259. The reversal of 20361552253 is 35225516302.

It is not a de Polignac number, because 20361552253 - 2⁵ = 20361552221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20361552259) 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 23 ways as a sum of consecutive naturals, for example, 1767450 + ... + 1778932.

It is an arithmetic number, because the mean of its divisors is an integer number (1000003752).

Almost surely, 2^20361552253 is an apocalyptic number.

It is an amenable number.

20361552253 is a deficient number, since it is larger than the sum of its proper divisors (3638537795).

20361552253 is a wasteful number, since it uses less digits than its factorization.

20361552253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11713 (or 11670 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 20361552253 in words is "twenty billion, three hundred sixty-one million, five hundred fifty-two thousand, two hundred fifty-three".