20413101021 has 16 divisors (see below), whose sum is σ = 27960179904. Its totient is φ = 13237565184.

The previous prime is 20413101019. The next prime is 20413101031. The reversal of 20413101021 is 12010131402.

It is not a de Polignac number, because 20413101021 - 2¹ = 20413101019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413101001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460206 + ... + 502608.

It is an arithmetic number, because the mean of its divisors is an integer number (1747511244).

Almost surely, 2^20413101021 is an apocalyptic number.

It is an amenable number.

20413101021 is a deficient number, since it is larger than the sum of its proper divisors (7547078883).

20413101021 is a wasteful number, since it uses less digits than its factorization.

20413101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46780.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20413101021 its reverse (12010131402), we get a palindrome (32423232423).

The spelling of 20413101021 in words is "twenty billion, four hundred thirteen million, one hundred one thousand, twenty-one".