629425020 has 96 divisors (see below), whose sum is σ = 2017870848. Its totient is φ = 143603712.

The previous prime is 629425009. The next prime is 629425037. The reversal of 629425020 is 20524926.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 311052 + ... + 313068.

It is an arithmetic number, because the mean of its divisors is an integer number (21019488).

Almost surely, 2^629425020 is an apocalyptic number.

629425020 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 629425020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1008935424).

629425020 is an abundant number, since it is smaller than the sum of its proper divisors (1388445828).

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

629425020 is a wasteful number, since it uses less digits than its factorization.

629425020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779 (or 2777 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 629425020 is about 25088.3443056731. The cubic root of 629425020 is about 857.0010107338.

Adding to 629425020 its reverse (20524926), we get a palindrome (649949946).

The spelling of 629425020 in words is "six hundred twenty-nine million, four hundred twenty-five thousand, twenty".