220354102120 has 16 divisors (see below), whose sum is σ = 495796729860. Its totient is φ = 88141640832.

The previous prime is 220354102117. The next prime is 220354102123. The reversal of 220354102120 is 21201453022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (220354102117) and next prime (220354102123).

It can be written as a sum of positive squares in 2 ways, for example, as 218887365316 + 1466736804 = 467854^2 + 38298^2 .

It is a super-2 number, since 2×220354102120² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220354102091 and 220354102100.

It is not an unprimeable number, because it can be changed into a prime (220354102123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2754426237 + ... + 2754426316.

Almost surely, 2^220354102120 is an apocalyptic number.

220354102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220354102120 is an abundant number, since it is smaller than the sum of its proper divisors (275442627740).

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

220354102120 is a wasteful number, since it uses less digits than its factorization.

220354102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5508852564 (or 5508852560 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 220354102120 its reverse (21201453022), we get a palindrome (241555555142).

The spelling of 220354102120 in words is "two hundred twenty billion, three hundred fifty-four million, one hundred two thousand, one hundred twenty".