20469622 has 4 divisors (see below), whose sum is σ = 30704436. Its totient is φ = 10234810.

The previous prime is 20469613. The next prime is 20469643. The reversal of 20469622 is 22696402.

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, 5117404 + ... + 5117407.

It is an arithmetic number, because the mean of its divisors is an integer number (7676109).

Almost surely, 2^20469622 is an apocalyptic number.

20469622 is a deficient number, since it is larger than the sum of its proper divisors (10234814).

20469622 is a wasteful number, since it uses less digits than its factorization.

20469622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10234813.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 20469622 is about 4524.3366364584. The cubic root of 20469622 is about 273.5499297788.

The spelling of 20469622 in words is "twenty million, four hundred sixty-nine thousand, six hundred twenty-two".