20527007601 has 4 divisors (see below), whose sum is σ = 27369343472. Its totient is φ = 13684671732.

The previous prime is 20527007591. The next prime is 20527007603. The reversal of 20527007601 is 10670072502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20527007601 - 2¹⁵ = 20526974833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20527007603) 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, 3421167931 + ... + 3421167936.

It is an arithmetic number, because the mean of its divisors is an integer number (6842335868).

Almost surely, 2^20527007601 is an apocalyptic number.

It is an amenable number.

20527007601 is a deficient number, since it is larger than the sum of its proper divisors (6842335871).

20527007601 is an equidigital number, since it uses as much as digits as its factorization.

20527007601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6842335870.

The product of its (nonzero) digits is 5880, while the sum is 30.

The spelling of 20527007601 in words is "twenty billion, five hundred twenty-seven million, seven thousand, six hundred one".