20147071437507 has 8 divisors (see below), whose sum is σ = 30700299333376. Its totient is φ = 11512612249992.

The previous prime is 20147071437487. The next prime is 20147071437529. The reversal of 20147071437507 is 70573417074102.

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

It is not a de Polignac number, because 20147071437507 - 2⁶ = 20147071437443 is a prime.

It is a super-3 number, since 3×20147071437507³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20147071433507) 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, 479692177063 + ... + 479692177104.

It is an arithmetic number, because the mean of its divisors is an integer number (3837537416672).

Almost surely, 2^{20147071437507} is an apocalyptic number.

20147071437507 is a deficient number, since it is larger than the sum of its proper divisors (10553227895869).

20147071437507 is an equidigital number, since it uses as much as digits as its factorization.

20147071437507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959384354177.

The product of its (nonzero) digits is 1152480, while the sum is 48.

The spelling of 20147071437507 in words is "twenty trillion, one hundred forty-seven billion, seventy-one million, four hundred thirty-seven thousand, five hundred seven".