20213002241 has 4 divisors (see below), whose sum is σ = 20401908912. Its totient is φ = 20024095572.

The previous prime is 20213002231. The next prime is 20213002297. The reversal of 20213002241 is 14220031202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20213002241 - 2¹⁰ = 20213001217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20213002211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94453175 + ... + 94453388.

It is an arithmetic number, because the mean of its divisors is an integer number (5100477228).

Almost surely, 2^20213002241 is an apocalyptic number.

It is an amenable number.

20213002241 is a deficient number, since it is larger than the sum of its proper divisors (188906671).

20213002241 is a wasteful number, since it uses less digits than its factorization.

20213002241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188906670.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20213002241 its reverse (14220031202), we get a palindrome (34433033443).

The spelling of 20213002241 in words is "twenty billion, two hundred thirteen million, two thousand, two hundred forty-one".