620262432 has 72 divisors (see below), whose sum is σ = 1806926940. Its totient is φ = 201707520.

The previous prime is 620262427. The next prime is 620262437. The reversal of 620262432 is 234262026.

620262432 is a `hidden beast` number, since 6 + 2 + 0 + 2 + 624 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (620262427) and next prime (620262437).

It can be written as a sum of positive squares in 2 ways, for example, as 427496976 + 192765456 = 20676^2 + 13884^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 620262396 and 620262405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620262437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14457 + ... + 38072.

Almost surely, 2^620262432 is an apocalyptic number.

It is an amenable number.

620262432 is an abundant number, since it is smaller than the sum of its proper divisors (1186664508).

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

620262432 is a wasteful number, since it uses less digits than its factorization.

620262432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52586 (or 52575 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 620262432 is about 24905.0683998258. The cubic root of 620262432 is about 852.8221911770.

The spelling of 620262432 in words is "six hundred twenty million, two hundred sixty-two thousand, four hundred thirty-two".