20219062 has 4 divisors (see below), whose sum is σ = 30328596. Its totient is φ = 10109530.

The previous prime is 20219033. The next prime is 20219077. The reversal of 20219062 is 26091202.

It is a happy number.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5054764 + ... + 5054767.

It is an arithmetic number, because the mean of its divisors is an integer number (7582149).

Almost surely, 2^20219062 is an apocalyptic number.

20219062 is a deficient number, since it is larger than the sum of its proper divisors (10109534).

20219062 is a wasteful number, since it uses less digits than its factorization.

20219062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10109533.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 20219062 is about 4496.5611304640. The cubic root of 20219062 is about 272.4292081069.

The spelling of 20219062 in words is "twenty million, two hundred nineteen thousand, sixty-two".