620322150055051 has 4 divisors (see below), whose sum is σ = 620323261110000. Its totient is φ = 620321039000104.

The previous prime is 620322150055043. The next prime is 620322150055057. The reversal of 620322150055051 is 150550051223026.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 620322150055051 - 2³ = 620322150055043 is a prime.

It is a super-2 number, since 2×620322150055051² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 620322150055051.

It is not an unprimeable number, because it can be changed into a prime (620322150055057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554689576 + ... + 555806773.

It is an arithmetic number, because the mean of its divisors is an integer number (155080815277500).

Almost surely, 2^{620322150055051} is an apocalyptic number.

620322150055051 is a deficient number, since it is larger than the sum of its proper divisors (1111054949).

620322150055051 is a wasteful number, since it uses less digits than its factorization.

620322150055051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111054948.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 620322150055051 in words is "six hundred twenty trillion, three hundred twenty-two billion, one hundred fifty million, fifty-five thousand, fifty-one".