10020661159 has 4 divisors (see below), whose sum is σ = 10025175160. Its totient is φ = 10016147160.

The previous prime is 10020661097. The next prime is 10020661193. The reversal of 10020661159 is 95116602001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10020661159 - 2⁷ = 10020661031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10020661159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020661559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2253669 + ... + 2258110.

It is an arithmetic number, because the mean of its divisors is an integer number (2506293790).

Almost surely, 2^10020661159 is an apocalyptic number.

10020661159 is a deficient number, since it is larger than the sum of its proper divisors (4514001).

10020661159 is an equidigital number, since it uses as much as digits as its factorization.

10020661159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514000.

The product of its (nonzero) digits is 3240, while the sum is 31.

The spelling of 10020661159 in words is "ten billion, twenty million, six hundred sixty-one thousand, one hundred fifty-nine".