221410144020 has 96 divisors (see below), whose sum is σ = 667724520960. Its totient is φ = 54493793280.

The previous prime is 221410143973. The next prime is 221410144027. The reversal of 221410144020 is 20441014122.

It is a super-3 number, since 3×221410144020³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221410144027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8285080 + ... + 8311760.

It is an arithmetic number, because the mean of its divisors is an integer number (6955463760).

Almost surely, 2^221410144020 is an apocalyptic number.

221410144020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221410144020 is an abundant number, since it is smaller than the sum of its proper divisors (446314376940).

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

221410144020 is a wasteful number, since it uses less digits than its factorization.

221410144020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37345 (or 37343 counting only the distinct ones).

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

Adding to 221410144020 its reverse (20441014122), we get a palindrome (241851158142).

The spelling of 221410144020 in words is "two hundred twenty-one billion, four hundred ten million, one hundred forty-four thousand, twenty".