22012230312020 has 48 divisors (see below), whose sum is σ = 49863518197248. Its totient is φ = 8114202898560.

The previous prime is 22012230312011. The next prime is 22012230312029. The reversal of 22012230312020 is 2021303221022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22012230312011) and next prime (22012230312029).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22012230311983 and 22012230312001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012230312029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69580586 + ... + 69896225.

It is an arithmetic number, because the mean of its divisors is an integer number (1038823295776).

Almost surely, 2^{22012230312020} is an apocalyptic number.

22012230312020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012230312020 is an abundant number, since it is smaller than the sum of its proper divisors (27851287885228).

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

22012230312020 is a wasteful number, since it uses less digits than its factorization.

22012230312020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139477440 (or 139477438 counting only the distinct ones).

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

Adding to 22012230312020 its reverse (2021303221022), we get a palindrome (24033533533042).

The spelling of 22012230312020 in words is "twenty-two trillion, twelve billion, two hundred thirty million, three hundred twelve thousand, twenty".