20022102012 has 24 divisors (see below), whose sum is σ = 50965350912. Its totient is φ = 6067303600.

The previous prime is 20022102011. The next prime is 20022102097. The reversal of 20022102012 is 21020122002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022102011) 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, 75841164 + ... + 75841427.

It is an arithmetic number, because the mean of its divisors is an integer number (2123556288).

Almost surely, 2^20022102012 is an apocalyptic number.

20022102012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20022102012 is an abundant number, since it is smaller than the sum of its proper divisors (30943248900).

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

20022102012 is a wasteful number, since it uses less digits than its factorization.

20022102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151682609 (or 151682607 counting only the distinct ones).

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

Adding to 20022102012 its reverse (21020122002), we get a palindrome (41042224014).

It can be divided in two parts, 2002 and 2102012, that multiplied together give a palindrome (4208228024).

The spelling of 20022102012 in words is "twenty billion, twenty-two million, one hundred two thousand, twelve".