620427143 has 16 divisors (see below), whose sum is σ = 719646720. Its totient is φ = 523908000.

The previous prime is 620427133. The next prime is 620427151. The reversal of 620427143 is 341724026.

It is not a de Polignac number, because 620427143 - 2⁸ = 620426887 is a prime.

It is a super-2 number, since 2×620427143² = 769859679542284898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620427113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147098 + ... + 151256.

It is an arithmetic number, because the mean of its divisors is an integer number (44977920).

Almost surely, 2^620427143 is an apocalyptic number.

620427143 is a deficient number, since it is larger than the sum of its proper divisors (99219577).

620427143 is a wasteful number, since it uses less digits than its factorization.

620427143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4478.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 620427143 is about 24908.3749570300. The cubic root of 620427143 is about 852.8976736162.

The spelling of 620427143 in words is "six hundred twenty million, four hundred twenty-seven thousand, one hundred forty-three".