220320201400 has 48 divisors (see below), whose sum is σ = 551647895400. Its totient is φ = 81348996480.

The previous prime is 220320201389. The next prime is 220320201407. The reversal of 220320201400 is 4102023022.

It is a super-2 number, since 2×220320201400² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220320201407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42366670 + ... + 42371869.

Almost surely, 2^220320201400 is an apocalyptic number.

220320201400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220320201400 is an abundant number, since it is smaller than the sum of its proper divisors (331327694000).

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

220320201400 is a wasteful number, since it uses less digits than its factorization.

220320201400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84738568 (or 84738559 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 220320201400 its reverse (4102023022), we get a palindrome (224422224422).

The spelling of 220320201400 in words is "two hundred twenty billion, three hundred twenty million, two hundred one thousand, four hundred".