20102210202012 has 24 divisors (see below), whose sum is σ = 46953463197312. Its totient is φ = 6693835868400.

The previous prime is 20102210202007. The next prime is 20102210202119. The reversal of 20102210202012 is 21020201220102.

It is a junction number, because it is equal to n+sod(n) for n = 20102210201982 and 20102210202000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862596064 + ... + 862619367.

It is an arithmetic number, because the mean of its divisors is an integer number (1956394299888).

Almost surely, 2^{20102210202012} is an apocalyptic number.

It is an amenable number.

20102210202012 is an abundant number, since it is smaller than the sum of its proper divisors (26851252995300).

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

20102210202012 is a wasteful number, since it uses less digits than its factorization.

20102210202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725216409 (or 1725216407 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20102210202012 its reverse (21020201220102), we get a palindrome (41122411422114).

It can be divided in two parts, 20102 and 210202012, that multiplied together give a palindrome (4225480845224).

The spelling of 20102210202012 in words is "twenty trillion, one hundred two billion, two hundred ten million, two hundred two thousand, twelve".