20201001120102 has 128 divisors (see below), whose sum is σ = 45880933939200. Its totient is φ = 5875310937600.

The previous prime is 20201001120077. The next prime is 20201001120103. The reversal of 20201001120102 is 20102110010202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201001120103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 213898852 + ... + 213993272.

It is an arithmetic number, because the mean of its divisors is an integer number (358444796400).

Almost surely, 2^{20201001120102} is an apocalyptic number.

20201001120102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20201001120102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22940466969600).

20201001120102 is an abundant number, since it is smaller than the sum of its proper divisors (25679932819098).

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

20201001120102 is a wasteful number, since it uses less digits than its factorization.

20201001120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95662.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20201001120102 its reverse (20102110010202), we get a palindrome (40303111130304).

The spelling of 20201001120102 in words is "twenty trillion, two hundred one billion, one million, one hundred twenty thousand, one hundred two".