426629020 has 12 divisors (see below), whose sum is σ = 895920984. Its totient is φ = 170651600.

The previous prime is 426629017. The next prime is 426629023. The reversal of 426629020 is 20926624.

It is an interprime number because it is at equal distance from previous prime (426629017) and next prime (426629023).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426629023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10665706 + ... + 10665745.

It is an arithmetic number, because the mean of its divisors is an integer number (74660082).

Almost surely, 2^426629020 is an apocalyptic number.

It is an amenable number.

426629020 is an abundant number, since it is smaller than the sum of its proper divisors (469291964).

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

426629020 is a wasteful number, since it uses less digits than its factorization.

426629020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21331460 (or 21331458 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 426629020 is about 20654.9998789639. Note that the first 3 decimals coincide. The cubic root of 426629020 is about 752.8066806600.

The spelling of 426629020 in words is "four hundred twenty-six million, six hundred twenty-nine thousand, twenty".