206241420 has 96 divisors (see below), whose sum is σ = 719986176. Its totient is φ = 42854400.

The previous prime is 206241401. The next prime is 206241461. The reversal of 206241420 is 24142602.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17701 + ... + 26940.

It is an arithmetic number, because the mean of its divisors is an integer number (7499856).

Almost surely, 2^206241420 is an apocalyptic number.

206241420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206241420 is an abundant number, since it is smaller than the sum of its proper divisors (513744756).

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

206241420 is a wasteful number, since it uses less digits than its factorization.

206241420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44671 (or 44669 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 206241420 is about 14361.1078959807. The cubic root of 206241420 is about 590.8246822376.

The spelling of 206241420 in words is "two hundred six million, two hundred forty-one thousand, four hundred twenty".