20210404029 has 16 divisors (see below), whose sum is σ = 27241268544. Its totient is φ = 13327059200.

The previous prime is 20210404013. The next prime is 20210404073. The reversal of 20210404029 is 92040401202.

It is a cyclic number.

It is not a de Polignac number, because 20210404029 - 2⁴ = 20210404013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210404009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105739 + ... + 227159.

It is an arithmetic number, because the mean of its divisors is an integer number (1702579284).

Almost surely, 2^20210404029 is an apocalyptic number.

It is an amenable number.

20210404029 is a deficient number, since it is larger than the sum of its proper divisors (7030864515).

20210404029 is a wasteful number, since it uses less digits than its factorization.

20210404029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122028.

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 20210404029 in words is "twenty billion, two hundred ten million, four hundred four thousand, twenty-nine".