20414221023 has 16 divisors (see below), whose sum is σ = 31109861376. Its totient is φ = 11664340320.

The previous prime is 20414221013. The next prime is 20414221033. The reversal of 20414221023 is 32012241402.

It is an interprime number because it is at equal distance from previous prime (20414221013) and next prime (20414221033).

It is not a de Polignac number, because 20414221023 - 2⁹ = 20414220511 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20414221013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300418 + ... + 362048.

It is an arithmetic number, because the mean of its divisors is an integer number (1944366336).

Almost surely, 2^20414221023 is an apocalyptic number.

20414221023 is a deficient number, since it is larger than the sum of its proper divisors (10695640353).

20414221023 is a wasteful number, since it uses less digits than its factorization.

20414221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77414.

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

Adding to 20414221023 its reverse (32012241402), we get a palindrome (52426462425).

The spelling of 20414221023 in words is "twenty billion, four hundred fourteen million, two hundred twenty-one thousand, twenty-three".