620020776218 has 16 divisors (see below), whose sum is σ = 939275568000. Its totient is φ = 306933235632.

The previous prime is 620020776211. The next prime is 620020776257. The reversal of 620020776218 is 812677020026.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (620020776211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790598 + ... + 1365681.

It is an arithmetic number, because the mean of its divisors is an integer number (58704723000).

Almost surely, 2^620020776218 is an apocalyptic number.

620020776218 is a deficient number, since it is larger than the sum of its proper divisors (319254791782).

620020776218 is a wasteful number, since it uses less digits than its factorization.

620020776218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157709.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 620020776218 in words is "six hundred twenty billion, twenty million, seven hundred seventy-six thousand, two hundred eighteen".