20612647131401 has 16 divisors (see below), whose sum is σ = 22215275115264. Its totient is φ = 19012456916544.

The previous prime is 20612647131383. The next prime is 20612647131473. The reversal of 20612647131401 is 10413174621602.

It is not a de Polignac number, because 20612647131401 - 2¹⁰ = 20612647130377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20612647431401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149377100 + ... + 149515026.

It is an arithmetic number, because the mean of its divisors is an integer number (1388454694704).

Almost surely, 2^{20612647131401} is an apocalyptic number.

It is an amenable number.

20612647131401 is a deficient number, since it is larger than the sum of its proper divisors (1602627983863).

20612647131401 is a wasteful number, since it uses less digits than its factorization.

20612647131401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146680.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 20612647131401 in words is "twenty trillion, six hundred twelve billion, six hundred forty-seven million, one hundred thirty-one thousand, four hundred one".