415215020 has 24 divisors (see below), whose sum is σ = 951220368. Its totient is φ = 150987200.

The previous prime is 415214981. The next prime is 415215041. The reversal of 415215020 is 20512514.

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 = 415214983 and 415215001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943451 + ... + 943890.

It is an arithmetic number, because the mean of its divisors is an integer number (39634182).

Almost surely, 2^415215020 is an apocalyptic number.

It is an amenable number.

415215020 is an abundant number, since it is smaller than the sum of its proper divisors (536005348).

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

415215020 is a wasteful number, since it uses less digits than its factorization.

415215020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887361 (or 1887359 counting only the distinct ones).

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

The square root of 415215020 is about 20376.8255623883. The cubic root of 415215020 is about 746.0323929900.

Adding to 415215020 its reverse (20512514), we get a palindrome (435727534).

The spelling of 415215020 in words is "four hundred fifteen million, two hundred fifteen thousand, twenty".