412551020 has 72 divisors (see below), whose sum is σ = 1015439712. Its totient is φ = 137917440.

The previous prime is 412551017. The next prime is 412551059. The reversal of 412551020 is 20155214.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 412550983 and 412551001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234464 + ... + 236216.

Almost surely, 2^412551020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 412551020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507719856).

412551020 is an abundant number, since it is smaller than the sum of its proper divisors (602888692).

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

412551020 is a wasteful number, since it uses less digits than its factorization.

412551020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851 (or 1808 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 412551020 is about 20311.3519983284. The cubic root of 412551020 is about 744.4334656599.

The spelling of 412551020 in words is "four hundred twelve million, five hundred fifty-one thousand, twenty".