620452260 has 144 divisors (see below), whose sum is σ = 1966910400. Its totient is φ = 158153472.

The previous prime is 620452249. The next prime is 620452337. The reversal of 620452260 is 62254026.

It is a super-2 number, since 2×620452260² = 769922013878215200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 392151 + ... + 393729.

It is an arithmetic number, because the mean of its divisors is an integer number (13659100).

Almost surely, 2^620452260 is an apocalyptic number.

620452260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620452260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (983455200).

620452260 is an abundant number, since it is smaller than the sum of its proper divisors (1346458140).

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

620452260 is a wasteful number, since it uses less digits than its factorization.

620452260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690 (or 1685 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 620452260 is about 24908.8791397766. The cubic root of 620452260 is about 852.9091828600.

The spelling of 620452260 in words is "six hundred twenty million, four hundred fifty-two thousand, two hundred sixty".