120520022553255 has 64 divisors (see below), whose sum is σ = 212734517764608. Its totient is φ = 57901130242560.

The previous prime is 120520022553209. The next prime is 120520022553311. The reversal of 120520022553255 is 552355220025021.

120520022553255 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 120520022553255 - 2¹⁵ = 120520022520487 is a prime.

It is a super-2 number, since 2×120520022553255² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41707876 + ... + 44503785.

It is an arithmetic number, because the mean of its divisors is an integer number (3323976840072).

Almost surely, 2^{120520022553255} is an apocalyptic number.

120520022553255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120520022553255 is a deficient number, since it is larger than the sum of its proper divisors (92214495211353).

120520022553255 is a wasteful number, since it uses less digits than its factorization.

120520022553255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86211856.

The product of its (nonzero) digits is 300000, while the sum is 39.

Adding to 120520022553255 its reverse (552355220025021), we get a palindrome (672875242578276).

The spelling of 120520022553255 in words is "one hundred twenty trillion, five hundred twenty billion, twenty-two million, five hundred fifty-three thousand, two hundred fifty-five".