20102022120 has 64 divisors (see below), whose sum is σ = 60316355520. Its totient is φ = 5359624704.

The previous prime is 20102022119. The next prime is 20102022121. The reversal of 20102022120 is 2122020102.

It is an interprime number because it is at equal distance from previous prime (20102022119) and next prime (20102022121).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20102022096 and 20102022105.

It is not an unprimeable number, because it can be changed into a prime (20102022121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 977787 + ... + 998133.

It is an arithmetic number, because the mean of its divisors is an integer number (942443055).

Almost surely, 2^20102022120 is an apocalyptic number.

20102022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102022120 is an abundant number, since it is smaller than the sum of its proper divisors (40214333400).

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

20102022120 is a wasteful number, since it uses less digits than its factorization.

20102022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28594 (or 28590 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20102022120 its reverse (2122020102), we get a palindrome (22224042222).

The spelling of 20102022120 in words is "twenty billion, one hundred two million, twenty-two thousand, one hundred twenty".