20496522 has 32 divisors (see below), whose sum is σ = 41912640. Its totient is φ = 6680960.

The previous prime is 20496517. The next prime is 20496551. The reversal of 20496522 is 22569402.

It is a self number, because there is not a number n which added to its sum of digits gives 20496522.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69808 + ... + 70100.

It is an arithmetic number, because the mean of its divisors is an integer number (1309770).

Almost surely, 2^20496522 is an apocalyptic number.

20496522 is an abundant number, since it is smaller than the sum of its proper divisors (21416118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20496522 is a wasteful number, since it uses less digits than its factorization.

20496522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 20496522 is about 4527.3084719290. The cubic root of 20496522 is about 273.6697051886.

The spelling of 20496522 in words is "twenty million, four hundred ninety-six thousand, five hundred twenty-two".