214720620 has 72 divisors (see below), whose sum is σ = 619458672. Its totient is φ = 55532160.

The previous prime is 214720619. The next prime is 214720621. The reversal of 214720620 is 26027412.

It is an interprime number because it is at equal distance from previous prime (214720619) and next prime (214720621).

It is a super-2 number, since 2×214720620² = 92209889306368800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (214720621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 690265 + ... + 690575.

Almost surely, 2^214720620 is an apocalyptic number.

214720620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214720620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309729336).

214720620 is an abundant number, since it is smaller than the sum of its proper divisors (404738052).

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

214720620 is a wasteful number, since it uses less digits than its factorization.

214720620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 214720620 is about 14653.3484228008. The cubic root of 214720620 is about 598.8130423231.

The spelling of 214720620 in words is "two hundred fourteen million, seven hundred twenty thousand, six hundred twenty".