20212144040100 has 144 divisors (see below), whose sum is σ = 58620459300480. Its totient is φ = 5377018291200.

The previous prime is 20212144040087. The next prime is 20212144040119. The reversal of 20212144040100 is 104044121202.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 213068680 + ... + 213163520.

It is an arithmetic number, because the mean of its divisors is an integer number (407086522920).

Almost surely, 2^{20212144040100} is an apocalyptic number.

20212144040100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20212144040100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29310229650240).

20212144040100 is an abundant number, since it is smaller than the sum of its proper divisors (38408315260380).

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

20212144040100 is a wasteful number, since it uses less digits than its factorization.

20212144040100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96550 (or 96543 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 20212144040100 its reverse (104044121202), we get a palindrome (20316188161302).

The spelling of 20212144040100 in words is "twenty trillion, two hundred twelve billion, one hundred forty-four million, forty thousand, one hundred".