20331220201022 has 8 divisors (see below), whose sum is σ = 30535581041256. Its totient is φ = 10152693187272.

The previous prime is 20331220200983. The next prime is 20331220201027. The reversal of 20331220201022 is 22010202213302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20331220200985 and 20331220201003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331220201027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6458454653 + ... + 6458457800.

It is an arithmetic number, because the mean of its divisors is an integer number (3816947630157).

Almost surely, 2^{20331220201022} is an apocalyptic number.

20331220201022 is a deficient number, since it is larger than the sum of its proper divisors (10204360840234).

20331220201022 is a wasteful number, since it uses less digits than its factorization.

20331220201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12916913242.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20331220201022 its reverse (22010202213302), we get a palindrome (42341422414324).

The spelling of 20331220201022 in words is "twenty trillion, three hundred thirty-one billion, two hundred twenty million, two hundred one thousand, twenty-two".