2050621221 has 8 divisors (see below), whose sum is σ = 2982721824. Its totient is φ = 1242800720.

The previous prime is 2050621213. The next prime is 2050621231. The reversal of 2050621221 is 1221260502.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2050621221 - 2³ = 2050621213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050621211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31069986 + ... + 31070051.

It is an arithmetic number, because the mean of its divisors is an integer number (372840228).

Almost surely, 2^2050621221 is an apocalyptic number.

It is an amenable number.

2050621221 is a deficient number, since it is larger than the sum of its proper divisors (932100603).

2050621221 is a wasteful number, since it uses less digits than its factorization.

2050621221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62140051.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2050621221 is about 45283.7854093493. The cubic root of 2050621221 is about 1270.4623982220.

Adding to 2050621221 its reverse (1221260502), we get a palindrome (3271881723).

The spelling of 2050621221 in words is "two billion, fifty million, six hundred twenty-one thousand, two hundred twenty-one".