629382020 has 12 divisors (see below), whose sum is σ = 1321702284. Its totient is φ = 251752800.

The previous prime is 629381993. The next prime is 629382031. The reversal of 629382020 is 20283926.

It can be written as a sum of positive squares in 2 ways, for example, as 197739844 + 431642176 = 14062^2 + 20776^2 .

It is a super-2 number, since 2×629382020² = 792243454198560800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15734531 + ... + 15734570.

It is an arithmetic number, because the mean of its divisors is an integer number (110141857).

Almost surely, 2^629382020 is an apocalyptic number.

It is an amenable number.

629382020 is an abundant number, since it is smaller than the sum of its proper divisors (692320264).

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

629382020 is a wasteful number, since it uses less digits than its factorization.

629382020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31469110 (or 31469108 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 629382020 is about 25087.4873193790. The cubic root of 629382020 is about 856.9814945715.

The spelling of 629382020 in words is "six hundred twenty-nine million, three hundred eighty-two thousand, twenty".