20247547307141 has 16 divisors (see below), whose sum is σ = 25563235799040. Its totient is φ = 15577596805680.

The previous prime is 20247547307131. The next prime is 20247547307159. The reversal of 20247547307141 is 14170374574202.

It is a happy number.

It is not a de Polignac number, because 20247547307141 - 2¹⁰ = 20247547306117 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 (20247547307131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1664267081 + ... + 1664279246.

It is an arithmetic number, because the mean of its divisors is an integer number (1597702237440).

Almost surely, 2^{20247547307141} is an apocalyptic number.

It is an amenable number.

20247547307141 is a deficient number, since it is larger than the sum of its proper divisors (5315688491899).

20247547307141 is a wasteful number, since it uses less digits than its factorization.

20247547307141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328546424.

The product of its (nonzero) digits is 1317120, while the sum is 47.

The spelling of 20247547307141 in words is "twenty trillion, two hundred forty-seven billion, five hundred forty-seven million, three hundred seven thousand, one hundred forty-one".