20036622 has 16 divisors (see below), whose sum is σ = 41455440. Its totient is φ = 6448512.

The previous prime is 20036603. The next prime is 20036629. The reversal of 20036622 is 22663002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20036629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57403 + ... + 57750.

It is an arithmetic number, because the mean of its divisors is an integer number (2590965).

Almost surely, 2^20036622 is an apocalyptic number.

20036622 is an abundant number, since it is smaller than the sum of its proper divisors (21418818).

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

20036622 is a wasteful number, since it uses less digits than its factorization.

20036622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115187.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 20036622 is about 4476.2285464440. The cubic root of 20036622 is about 271.6073396406.

Adding to 20036622 its reverse (22663002), we get a palindrome (42699624).

The spelling of 20036622 in words is "twenty million, thirty-six thousand, six hundred twenty-two".