20213302120 has 128 divisors (see below), whose sum is σ = 50037834240. Its totient is φ = 7287920640.

The previous prime is 20213302097. The next prime is 20213302121. The reversal of 20213302120 is 2120331202.

It is a junction number, because it is equal to n+sod(n) for n = 20213302094 and 20213302103.

It is not an unprimeable number, because it can be changed into a prime (20213302121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43657009 + ... + 43657471.

It is an arithmetic number, because the mean of its divisors is an integer number (390920580).

Almost surely, 2^20213302120 is an apocalyptic number.

20213302120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20213302120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25018917120).

20213302120 is an abundant number, since it is smaller than the sum of its proper divisors (29824532120).

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

20213302120 is a wasteful number, since it uses less digits than its factorization.

20213302120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1111 counting only the distinct ones).

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

Adding to 20213302120 its reverse (2120331202), we get a palindrome (22333633322).

The spelling of 20213302120 in words is "twenty billion, two hundred thirteen million, three hundred two thousand, one hundred twenty".