20205012322 has 32 divisors (see below), whose sum is σ = 33318984384. Its totient is φ = 9113083200.

The previous prime is 20205012287. The next prime is 20205012341. The reversal of 20205012322 is 22321050202.

It is a self number, because there is not a number n which added to its sum of digits gives 20205012322.

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, 2797588 + ... + 2804800.

It is an arithmetic number, because the mean of its divisors is an integer number (1041218262).

Almost surely, 2^20205012322 is an apocalyptic number.

20205012322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20205012322 is a deficient number, since it is larger than the sum of its proper divisors (13113972062).

20205012322 is a wasteful number, since it uses less digits than its factorization.

20205012322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8194.

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 20205012322 its reverse (22321050202), we get a palindrome (42526062524).

The spelling of 20205012322 in words is "twenty billion, two hundred five million, twelve thousand, three hundred twenty-two".