620131000144042 has 8 divisors (see below), whose sum is σ = 931107564372132. Its totient is φ = 309761812020000.

The previous prime is 620131000144037. The next prime is 620131000144151. The reversal of 620131000144042 is 240441000131026.

It can be written as a sum of positive squares in 2 ways, for example, as 610164546877081 + 9966453266961 = 24701509^2 + 3156969^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 620131000144042.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151844023459 + ... + 151844027542.

Almost surely, 2^{620131000144042} is an apocalyptic number.

620131000144042 is a deficient number, since it is larger than the sum of its proper divisors (310976564228090).

620131000144042 is a wasteful number, since it uses less digits than its factorization.

620131000144042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303688052024.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 620131000144042 its reverse (240441000131026), we get a palindrome (860572000275068).

The spelling of 620131000144042 in words is "six hundred twenty trillion, one hundred thirty-one billion, one hundred forty-four thousand, forty-two".