20120020122320 has 40 divisors (see below), whose sum is σ = 46854618865440. Its totient is φ = 8035006400640.

The previous prime is 20120020122277. The next prime is 20120020122341. The reversal of 20120020122320 is 2322102002102.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203100926 + ... + 203199965.

It is an arithmetic number, because the mean of its divisors is an integer number (1171365471636).

Almost surely, 2^{20120020122320} is an apocalyptic number.

20120020122320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20120020122320 is an abundant number, since it is smaller than the sum of its proper divisors (26734598743120).

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

20120020122320 is a wasteful number, since it uses less digits than its factorization.

20120020122320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406301523 (or 406301517 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20120020122320 its reverse (2322102002102), we get a palindrome (22442122124422).

The spelling of 20120020122320 in words is "twenty trillion, one hundred twenty billion, twenty million, one hundred twenty-two thousand, three hundred twenty".