215114020 has 24 divisors (see below), whose sum is σ = 492807168. Its totient is φ = 78223200.

The previous prime is 215114017. The next prime is 215114027. The reversal of 215114020 is 20411512.

It is a junction number, because it is equal to n+sod(n) for n = 215113985 and 215114003.

It is not an unprimeable number, because it can be changed into a prime (215114027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488676 + ... + 489115.

It is an arithmetic number, because the mean of its divisors is an integer number (20533632).

Almost surely, 2^215114020 is an apocalyptic number.

215114020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215114020 is an abundant number, since it is smaller than the sum of its proper divisors (277693148).

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

215114020 is a wasteful number, since it uses less digits than its factorization.

215114020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977811 (or 977809 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 215114020 is about 14666.7658329981. The cubic root of 215114020 is about 599.1785239566.

Adding to 215114020 its reverse (20411512), we get a palindrome (235525532).

The spelling of 215114020 in words is "two hundred fifteen million, one hundred fourteen thousand, twenty".