20021243441214 has 16 divisors (see below), whose sum is σ = 40232261704320. Its totient is φ = 6642118676760.

The previous prime is 20021243441203. The next prime is 20021243441249. The reversal of 20021243441214 is 41214434212002.

It is a super-2 number, since 2×20021243441214² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7907282874 + ... + 7907285405.

It is an arithmetic number, because the mean of its divisors is an integer number (2514516356520).

Almost surely, 2^{20021243441214} is an apocalyptic number.

20021243441214 is an abundant number, since it is smaller than the sum of its proper divisors (20211018263106).

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

20021243441214 is a wasteful number, since it uses less digits than its factorization.

20021243441214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15814568495.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 20021243441214 its reverse (41214434212002), we get a palindrome (61235677653216).

The spelling of 20021243441214 in words is "twenty trillion, twenty-one billion, two hundred forty-three million, four hundred forty-one thousand, two hundred fourteen".