20214322220 has 24 divisors (see below), whose sum is σ = 42513180864. Its totient is φ = 8073709056.

The previous prime is 20214322217. The next prime is 20214322223. The reversal of 20214322220 is 2222341202.

It is an interprime number because it is at equal distance from previous prime (20214322217) and next prime (20214322223).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20214322192 and 20214322201.

It is not an unprimeable number, because it can be changed into a prime (20214322223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737444 + ... + 764363.

It is an arithmetic number, because the mean of its divisors is an integer number (1771382536).

Almost surely, 2^20214322220 is an apocalyptic number.

20214322220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20214322220 is an abundant number, since it is smaller than the sum of its proper divisors (22298858644).

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

20214322220 is a wasteful number, since it uses less digits than its factorization.

20214322220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502489 (or 1502487 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20214322220 its reverse (2222341202), we get a palindrome (22436663422).

The spelling of 20214322220 in words is "twenty billion, two hundred fourteen million, three hundred twenty-two thousand, two hundred twenty".