620220626 has 16 divisors (see below), whose sum is σ = 958089600. Its totient is φ = 300990768.

The previous prime is 620220589. The next prime is 620220649. The reversal of 620220626 is 626022026.

It is a super-4 number, since 4×620220626⁴ (a number of 36 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 620220595 and 620220604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23945 + ... + 42588.

It is an arithmetic number, because the mean of its divisors is an integer number (59880600).

Almost surely, 2^620220626 is an apocalyptic number.

620220626 is a deficient number, since it is larger than the sum of its proper divisors (337868974).

620220626 is a wasteful number, since it uses less digits than its factorization.

620220626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66673.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 620220626 is about 24904.2290786123. The cubic root of 620220626 is about 852.8030305316.

The spelling of 620220626 in words is "six hundred twenty million, two hundred twenty thousand, six hundred twenty-six".