20204040010120 has 32 divisors (see below), whose sum is σ = 45721859344920. Its totient is φ = 8034901457920.

The previous prime is 20204040010079. The next prime is 20204040010127. The reversal of 20204040010120 is 2101004040202.

It can be written as a sum of positive squares in 4 ways, for example, as 19386039149764 + 818000860356 = 4402958^2 + 904434^2 .

It is a super-3 number, since 3×20204040010120³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20204040010094 and 20204040010103.

It is not an unprimeable number, because it can be changed into a prime (20204040010127) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1459822561 + ... + 1459836400.

Almost surely, 2^{20204040010120} is an apocalyptic number.

20204040010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20204040010120 is an abundant number, since it is smaller than the sum of its proper divisors (25517819334800).

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

20204040010120 is a wasteful number, since it uses less digits than its factorization.

20204040010120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919659145 (or 2919659141 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20204040010120 its reverse (2101004040202), we get a palindrome (22305044050322).

The spelling of 20204040010120 in words is "twenty trillion, two hundred four billion, forty million, ten thousand, one hundred twenty".