20120210011020 has 48 divisors (see below), whose sum is σ = 64384672036608. Its totient is φ = 4598905145280.

The previous prime is 20120210010959. The next prime is 20120210011021. The reversal of 20120210011020 is 2011001202102.

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 = 20120210010987 and 20120210011005.

It is not an unprimeable number, because it can be changed into a prime (20120210011021) 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, 23952630546 + ... + 23952631385.

It is an arithmetic number, because the mean of its divisors is an integer number (1341347334096).

Almost surely, 2^{20120210011020} is an apocalyptic number.

20120210011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20120210011020 is an abundant number, since it is smaller than the sum of its proper divisors (44264462025588).

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

20120210011020 is a wasteful number, since it uses less digits than its factorization.

20120210011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47905261950 (or 47905261948 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20120210011020 its reverse (2011001202102), we get a palindrome (22131211213122).

The spelling of 20120210011020 in words is "twenty trillion, one hundred twenty billion, two hundred ten million, eleven thousand, twenty".