20220001231120 has 80 divisors (see below), whose sum is σ = 48283334512560. Its totient is φ = 7869202071552.

The previous prime is 20220001231021. The next prime is 20220001231189. The reversal of 20220001231120 is 2113210002202.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3622916332816 + 16597084898304 = 1903396^2 + 4073952^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 20220001231094 and 20220001231103.

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, 168449844 + ... + 168569836.

It is an arithmetic number, because the mean of its divisors is an integer number (603541681407).

Almost surely, 2^{20220001231120} is an apocalyptic number.

20220001231120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20220001231120 is an abundant number, since it is smaller than the sum of its proper divisors (28063333281440).

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

20220001231120 is a wasteful number, since it uses less digits than its factorization.

20220001231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176972 (or 176966 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20220001231120 its reverse (2113210002202), we get a palindrome (22333211233322).

The spelling of 20220001231120 in words is "twenty trillion, two hundred twenty billion, one million, two hundred thirty-one thousand, one hundred twenty".