20022629 has 8 divisors (see below), whose sum is σ = 22120320. Its totient is φ = 17971200.

The previous prime is 20022619. The next prime is 20022631. The reversal of 20022629 is 92622002.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20022629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10652 + ... + 12389.

It is an arithmetic number, because the mean of its divisors is an integer number (2765040).

Almost surely, 2^20022629 is an apocalyptic number.

It is an amenable number.

20022629 is a deficient number, since it is larger than the sum of its proper divisors (2097691).

20022629 is a wasteful number, since it uses less digits than its factorization.

20022629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23131.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 20022629 is about 4474.6652388754. The cubic root of 20022629 is about 271.5440973337.

The spelling of 20022629 in words is "twenty million, twenty-two thousand, six hundred twenty-nine".