20622038 has 4 divisors (see below), whose sum is σ = 30933060. Its totient is φ = 10311018.

The previous prime is 20622029. The next prime is 20622059. The reversal of 20622038 is 83022602.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5155508 + ... + 5155511.

It is an arithmetic number, because the mean of its divisors is an integer number (7733265).

Almost surely, 2^20622038 is an apocalyptic number.

20622038 is a deficient number, since it is larger than the sum of its proper divisors (10311022).

20622038 is a wasteful number, since it uses less digits than its factorization.

20622038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10311021.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20622038 is about 4541.1494139700. The cubic root of 20622038 is about 274.2271989147.

The spelling of 20622038 in words is "twenty million, six hundred twenty-two thousand, thirty-eight".