620364203411 has 4 divisors (see below), whose sum is σ = 620432138112. Its totient is φ = 620296268712.

The previous prime is 620364203399. The next prime is 620364203443. The reversal of 620364203411 is 114302463026.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620364203411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620364203491) 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, 33953651 + ... + 33971916.

It is an arithmetic number, because the mean of its divisors is an integer number (155108034528).

Almost surely, 2^620364203411 is an apocalyptic number.

620364203411 is a deficient number, since it is larger than the sum of its proper divisors (67934701).

620364203411 is an equidigital number, since it uses as much as digits as its factorization.

620364203411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67934700.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 620364203411 its reverse (114302463026), we get a palindrome (734666666437).

The spelling of 620364203411 in words is "six hundred twenty billion, three hundred sixty-four million, two hundred three thousand, four hundred eleven".