20130532351 has 8 divisors (see below), whose sum is σ = 21007398240. Its totient is φ = 19253801952.

The previous prime is 20130532349. The next prime is 20130532393. The reversal of 20130532351 is 15323503102.

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

It is not a de Polignac number, because 20130532351 - 2¹ = 20130532349 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 (20130532321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374781 + ... + 425113.

It is an arithmetic number, because the mean of its divisors is an integer number (2625924780).

Almost surely, 2^20130532351 is an apocalyptic number.

20130532351 is a deficient number, since it is larger than the sum of its proper divisors (876865889).

20130532351 is a wasteful number, since it uses less digits than its factorization.

20130532351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67745.

The product of its (nonzero) digits is 2700, while the sum is 25.

The spelling of 20130532351 in words is "twenty billion, one hundred thirty million, five hundred thirty-two thousand, three hundred fifty-one".