20046365429 has 4 divisors (see below), whose sum is σ = 20271605580. Its totient is φ = 19821125280.

The previous prime is 20046365413. The next prime is 20046365447. The reversal of 20046365429 is 92456364002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14118905329 + 5927460100 = 118823^2 + 76990^2 .

It is a cyclic number.

It is not a de Polignac number, because 20046365429 - 2⁴ = 20046365413 is a prime.

It is a super-4 number, since 4×20046365429⁴ (a number of 42 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20046365329) 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 3 ways as a sum of consecutive naturals, for example, 112619942 + ... + 112620119.

It is an arithmetic number, because the mean of its divisors is an integer number (5067901395).

Almost surely, 2^20046365429 is an apocalyptic number.

It is an amenable number.

20046365429 is a deficient number, since it is larger than the sum of its proper divisors (225240151).

20046365429 is an equidigital number, since it uses as much as digits as its factorization.

20046365429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225240150.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 20046365429 in words is "twenty billion, forty-six million, three hundred sixty-five thousand, four hundred twenty-nine".