220351520342142 has 24 divisors (see below), whose sum is σ = 545632336085616. Its totient is φ = 62957577240576.

The previous prime is 220351520342137. The next prime is 220351520342183. The reversal of 220351520342142 is 241243025153022.

220351520342142 is a `hidden beast` number, since 2 + 2 + 0 + 3 + 51 + 520 + 3 + 42 + 1 + 42 = 666.

It is a super-2 number, since 2×220351520342142² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220351520342097 and 220351520342106.

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 in 11 ways as a sum of consecutive naturals, for example, 874410794883 + ... + 874410795134.

It is an arithmetic number, because the mean of its divisors is an integer number (22734680670234).

Almost surely, 2^{220351520342142} is an apocalyptic number.

220351520342142 is an abundant number, since it is smaller than the sum of its proper divisors (325280815743474).

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

220351520342142 is a wasteful number, since it uses less digits than its factorization.

220351520342142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748821590032 (or 1748821590029 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 220351520342142 its reverse (241243025153022), we get a palindrome (461594545495164).

The spelling of 220351520342142 in words is "two hundred twenty trillion, three hundred fifty-one billion, five hundred twenty million, three hundred forty-two thousand, one hundred forty-two".