620022101 has 4 divisors (see below), whose sum is σ = 620100000. Its totient is φ = 619944204.

The previous prime is 620022071. The next prime is 620022107. The reversal of 620022101 is 101220026.

620022101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101220026 = 2 ⋅50610013.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620022101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620022107) 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, 25451 + ... + 43448.

It is an arithmetic number, because the mean of its divisors is an integer number (155025000).

Almost surely, 2^620022101 is an apocalyptic number.

It is an amenable number.

620022101 is a deficient number, since it is larger than the sum of its proper divisors (77899).

620022101 is an equidigital number, since it uses as much as digits as its factorization.

620022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77898.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 620022101 is about 24900.2429907822. The cubic root of 620022101 is about 852.7120302318.

Adding to 620022101 its reverse (101220026), we get a palindrome (721242127).

The spelling of 620022101 in words is "six hundred twenty million, twenty-two thousand, one hundred one".