20202012101204 has 24 divisors (see below), whose sum is σ = 37433277582120. Its totient is φ = 9506794300416.

The previous prime is 20202012101113. The next prime is 20202012101207. The reversal of 20202012101204 is 40210121020202.

It can be written as a sum of positive squares in 4 ways, for example, as 14732915369104 + 5469096732100 = 3838348^2 + 2338610^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202012101207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35045342 + ... + 35617130.

It is an arithmetic number, because the mean of its divisors is an integer number (1559719899255).

Almost surely, 2^{20202012101204} is an apocalyptic number.

It is an amenable number.

20202012101204 is a deficient number, since it is larger than the sum of its proper divisors (17231265480916).

20202012101204 is a wasteful number, since it uses less digits than its factorization.

20202012101204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091387 (or 1091385 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20202012101204 its reverse (40210121020202), we get a palindrome (60412133121406).

The spelling of 20202012101204 in words is "twenty trillion, two hundred two billion, twelve million, one hundred one thousand, two hundred four".