20413540156201 has 4 divisors (see below), whose sum is σ = 20574276692992. Its totient is φ = 20252803619412.

The previous prime is 20413540156199. The next prime is 20413540156231. The reversal of 20413540156201 is 10265104531402.

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 a cyclic number.

It is not a de Polignac number, because 20413540156201 - 2¹ = 20413540156199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20413540156231) 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, 80368268205 + ... + 80368268458.

It is an arithmetic number, because the mean of its divisors is an integer number (5143569173248).

Almost surely, 2^{20413540156201} is an apocalyptic number.

It is an amenable number.

20413540156201 is a deficient number, since it is larger than the sum of its proper divisors (160736536791).

20413540156201 is a wasteful number, since it uses less digits than its factorization.

20413540156201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160736536790.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 20413540156201 its reverse (10265104531402), we get a palindrome (30678644687603).

The spelling of 20413540156201 in words is "twenty trillion, four hundred thirteen billion, five hundred forty million, one hundred fifty-six thousand, two hundred one".