20629195 has 4 divisors (see below), whose sum is σ = 24755040. Its totient is φ = 16503352.

The previous prime is 20629171. The next prime is 20629201. The reversal of 20629195 is 59192602.

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

It is a cyclic number.

It is not a de Polignac number, because 20629195 - 2⁷ = 20629067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20629195.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2062915 + ... + 2062924.

It is an arithmetic number, because the mean of its divisors is an integer number (6188760).

Almost surely, 2^20629195 is an apocalyptic number.

20629195 is a deficient number, since it is larger than the sum of its proper divisors (4125845).

20629195 is an equidigital number, since it uses as much as digits as its factorization.

20629195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4125844.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 20629195 is about 4541.9373619635. The cubic root of 20629195 is about 274.2589193014.

The spelling of 20629195 in words is "twenty million, six hundred twenty-nine thousand, one hundred ninety-five".