220423510252520 has 32 divisors (see below), whose sum is σ = 496499703991200. Its totient is φ = 88072194159168.

The previous prime is 220423510252487. The next prime is 220423510252573. The reversal of 220423510252520 is 25252015324022.

220423510252520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3037773950 + ... + 3037846509.

It is an arithmetic number, because the mean of its divisors is an integer number (15515615749725).

Almost surely, 2^{220423510252520} is an apocalyptic number.

220423510252520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220423510252520 is an abundant number, since it is smaller than the sum of its proper divisors (276076193738680).

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

220423510252520 is a wasteful number, since it uses less digits than its factorization.

220423510252520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6075621377 (or 6075621373 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 220423510252520 its reverse (25252015324022), we get a palindrome (245675525576542).

The spelling of 220423510252520 in words is "two hundred twenty trillion, four hundred twenty-three billion, five hundred ten million, two hundred fifty-two thousand, five hundred twenty".