214952820 has 24 divisors (see below), whose sum is σ = 601868064. Its totient is φ = 57320736.

The previous prime is 214952809. The next prime is 214952839. The reversal of 214952820 is 28259412.

It is a congruent number.

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, 1791214 + ... + 1791333.

It is an arithmetic number, because the mean of its divisors is an integer number (25077836).

Almost surely, 2^214952820 is an apocalyptic number.

214952820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214952820 is an abundant number, since it is smaller than the sum of its proper divisors (386915244).

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

214952820 is a wasteful number, since it uses less digits than its factorization.

214952820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3582559 (or 3582557 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 214952820 is about 14661.2693856978. The cubic root of 214952820 is about 599.0288177454.

The spelling of 214952820 in words is "two hundred fourteen million, nine hundred fifty-two thousand, eight hundred twenty".