20000029 has 8 divisors (see below), whose sum is σ = 23170880. Its totient is φ = 16907616.

The previous prime is 20000023. The next prime is 20000033. The reversal of 20000029 is 92000002.

20000029 = 487² + 488² + ... + 559².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20000029 - 2¹⁵ = 19967261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19999973 and 20000018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19059 + ... + 20080.

It is an arithmetic number, because the mean of its divisors is an integer number (2896360).

Almost surely, 2^20000029 is an apocalyptic number.

It is an amenable number.

20000029 is a deficient number, since it is larger than the sum of its proper divisors (3170851).

20000029 is an equidigital number, since it uses as much as digits as its factorization.

20000029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39219.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 20000029 is about 4472.1391972970. The cubic root of 20000029 is about 271.4418928563.

The spelling of 20000029 in words is "twenty million, twenty-nine", and thus it is an aban number and an uban number.