20352553013 has 8 divisors (see below), whose sum is σ = 21920316600. Its totient is φ = 18785101248.

The previous prime is 20352552989. The next prime is 20352553061. The reversal of 20352553013 is 31035525302.

It can be written as a sum of positive squares in 4 ways, for example, as 390536644 + 19962016369 = 19762^2 + 141287^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20352553013 - 2¹² = 20352548917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20352553073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67703 + ... + 212811.

It is an arithmetic number, because the mean of its divisors is an integer number (2740039575).

Almost surely, 2^20352553013 is an apocalyptic number.

It is an amenable number.

20352553013 is a deficient number, since it is larger than the sum of its proper divisors (1567763587).

20352553013 is a wasteful number, since it uses less digits than its factorization.

20352553013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155911.

The product of its (nonzero) digits is 13500, while the sum is 29.

The spelling of 20352553013 in words is "twenty billion, three hundred fifty-two million, five hundred fifty-three thousand, thirteen".