214500020 has 24 divisors (see below), whose sum is σ = 514800384. Its totient is φ = 73542816.

The previous prime is 214499993. The next prime is 214500043. The reversal of 214500020 is 20005412.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 214499968 and 214500004.

It is a congruent number.

It is an unprimeable number.

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, 765932 + ... + 766211.

It is an arithmetic number, because the mean of its divisors is an integer number (21450016).

Almost surely, 2^214500020 is an apocalyptic number.

214500020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214500020 is an abundant number, since it is smaller than the sum of its proper divisors (300300364).

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

214500020 is a wasteful number, since it uses less digits than its factorization.

214500020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532159 (or 1532157 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 214500020 is about 14645.8191986655. The cubic root of 214500020 is about 598.6079022339.

Adding to 214500020 its reverse (20005412), we get a palindrome (234505432).

The spelling of 214500020 in words is "two hundred fourteen million, five hundred thousand, twenty".