20243029 has 2 divisors, whose sum is σ = 20243030. Its totient is φ = 20243028.

The previous prime is 20243021. The next prime is 20243063. The reversal of 20243029 is 92034202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20232004 + 11025 = 4498^2 + 105^2 .

It is a cyclic number.

It is not a de Polignac number, because 20243029 - 2³ = 20243021 is a prime.

It is equal to p_1285042 and since 20243029 and 1285042 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20243021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10121514 + 10121515.

It is an arithmetic number, because the mean of its divisors is an integer number (10121515).

Almost surely, 2^20243029 is an apocalyptic number.

It is an amenable number.

20243029 is a deficient number, since it is larger than the sum of its proper divisors (1).

20243029 is an equidigital number, since it uses as much as digits as its factorization.

20243029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 20243029 is about 4499.2253777734. The cubic root of 20243029 is about 272.5368084274.

It can be divided in two parts, 20 and 243029, that added together give a square (243049 = 493²).

The spelling of 20243029 in words is "twenty million, two hundred forty-three thousand, twenty-nine".