20204562240036 has 36 divisors (see below), whose sum is σ = 51073831438812. Its totient is φ = 6734697420864.

The previous prime is 20204562239999. The next prime is 20204562240059. The reversal of 20204562240036 is 63004226540202.

20204562240036 is a `hidden beast` number, since 2 + 0 + 20 + 4 + 5 + 622 + 4 + 0 + 0 + 3 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10740079166436 + 9464483073600 = 3277206^2 + 3076440^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×20204562240036² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4953111 + ... + 8058686.

It is an arithmetic number, because the mean of its divisors is an integer number (1418717539967).

Almost surely, 2^{20204562240036} is an apocalyptic number.

It is an amenable number.

20204562240036 is an abundant number, since it is smaller than the sum of its proper divisors (30869269198776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20204562240036 is a wasteful number, since it uses less digits than its factorization.

20204562240036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13054940 (or 13054935 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 20204562240036 its reverse (63004226540202), we get a palindrome (83208788780238).

The spelling of 20204562240036 in words is "twenty trillion, two hundred four billion, five hundred sixty-two million, two hundred forty thousand, thirty-six".