412621020 has 96 divisors (see below), whose sum is σ = 1467110400. Its totient is φ = 94312512.

The previous prime is 412620979. The next prime is 412621021. The reversal of 412621020 is 20126214.

412621020 is a `hidden beast` number, since 41 + 2 + 621 + 0 + 2 + 0 = 666.

It is a super-2 number, since 2×412621020² = 340512212291680800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 412620984 and 412621002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412621021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50800 + ... + 58359.

It is an arithmetic number, because the mean of its divisors is an integer number (15282400).

Almost surely, 2^412621020 is an apocalyptic number.

It is an amenable number.

412621020 is an abundant number, since it is smaller than the sum of its proper divisors (1054489380).

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

412621020 is a wasteful number, since it uses less digits than its factorization.

412621020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109184 (or 109176 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 412621020 is about 20313.0750995510. The cubic root of 412621020 is about 744.4755674389.

Adding to 412621020 its reverse (20126214), we get a palindrome (432747234).

The spelling of 412621020 in words is "four hundred twelve million, six hundred twenty-one thousand, twenty".