20122313020 has 24 divisors (see below), whose sum is σ = 42391876464. Its totient is φ = 8023207296.

The previous prime is 20122312967. The next prime is 20122313021. The reversal of 20122313020 is 2031322102.

It is a junction number, because it is equal to n+sod(n) for n = 20122312985 and 20122313003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122313021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1600954 + ... + 1613473.

It is an arithmetic number, because the mean of its divisors is an integer number (1766328186).

Almost surely, 2^20122313020 is an apocalyptic number.

20122313020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122313020 is an abundant number, since it is smaller than the sum of its proper divisors (22269563444).

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

20122313020 is a wasteful number, since it uses less digits than its factorization.

20122313020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214749 (or 3214747 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20122313020 its reverse (2031322102), we get a palindrome (22153635122).

The spelling of 20122313020 in words is "twenty billion, one hundred twenty-two million, three hundred thirteen thousand, twenty".