120226520 has 32 divisors (see below), whose sum is σ = 282273120. Its totient is φ = 45999360.

The previous prime is 120226511. The next prime is 120226529. The reversal of 120226520 is 25622021.

It is an interprime number because it is at equal distance from previous prime (120226511) and next prime (120226529).

It is a super-2 number, since 2×120226520² = 28908832222620800, which contains 22 as substring.

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 = 120226492 and 120226501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120226529) 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, 64421 + ... + 66260.

It is an arithmetic number, because the mean of its divisors is an integer number (8821035).

Almost surely, 2^120226520 is an apocalyptic number.

120226520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120226520 is an abundant number, since it is smaller than the sum of its proper divisors (162046600).

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

120226520 is a wasteful number, since it uses less digits than its factorization.

120226520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130715 (or 130711 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 120226520 is about 10964.7854516174. The cubic root of 120226520 is about 493.5525788742.

Adding to 120226520 its reverse (25622021), we get a palindrome (145848541).

The spelling of 120226520 in words is "one hundred twenty million, two hundred twenty-six thousand, five hundred twenty".