620220348 has 144 divisors (see below), whose sum is σ = 1825653760. Its totient is φ = 181764000.

The previous prime is 620220343. The next prime is 620220373. The reversal of 620220348 is 843022026.

620220348 is a `hidden beast` number, since 620 + 2 + 2 + 0 + 34 + 8 = 666.

It is a super-2 number, since 2×620220348² = 769346560146482208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620220343) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 404343 + ... + 405873.

Almost surely, 2^620220348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620220348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (912826880).

620220348 is an abundant number, since it is smaller than the sum of its proper divisors (1205433412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620220348 is a wasteful number, since it uses less digits than its factorization.

620220348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597 (or 1578 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 620220348 is about 24904.2234972303. The cubic root of 620220348 is about 852.8029031150.

The spelling of 620220348 in words is "six hundred twenty million, two hundred twenty thousand, three hundred forty-eight".