241621020 has 36 divisors (see below), whose sum is σ = 732917640. Its totient is φ = 64432224.

The previous prime is 241621019. The next prime is 241621073. The reversal of 241621020 is 20126142.

241621020 is a `hidden beast` number, since 2 + 41 + 621 + 0 + 2 + 0 = 666.

241621020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 241620984 and 241621002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 670990 + ... + 671349.

Almost surely, 2^241621020 is an apocalyptic number.

241621020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

241621020 is an abundant number, since it is smaller than the sum of its proper divisors (491296620).

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

241621020 is a wasteful number, since it uses less digits than its factorization.

241621020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342354 (or 1342349 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 241621020 is about 15544.1635349092. The cubic root of 241621020 is about 622.8424979322.

Adding to 241621020 its reverse (20126142), we get a palindrome (261747162).

It can be divided in two parts, 2416 and 21020, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 241621020 in words is "two hundred forty-one million, six hundred twenty-one thousand, twenty".