1520220550232 has 8 divisors (see below), whose sum is σ = 2850413531700. Its totient is φ = 760110275112.

The previous prime is 1520220550223. The next prime is 1520220550283. The reversal of 1520220550232 is 2320550220251.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1520220550232² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1520220550195 and 1520220550204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95013784382 + ... + 95013784397.

Almost surely, 2^{1520220550232} is an apocalyptic number.

It is an amenable number.

1520220550232 is a deficient number, since it is larger than the sum of its proper divisors (1330192981468).

1520220550232 is a wasteful number, since it uses less digits than its factorization.

1520220550232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190027568785 (or 190027568781 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 1520220550232 its reverse (2320550220251), we get a palindrome (3840770770483).

The spelling of 1520220550232 in words is "one trillion, five hundred twenty billion, two hundred twenty million, five hundred fifty thousand, two hundred thirty-two".