20000220101012 has 6 divisors (see below), whose sum is σ = 35000385176778. Its totient is φ = 10000110050504.

The previous prime is 20000220100997. The next prime is 20000220101039. The reversal of 20000220101012 is 21010102200002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13870812717316 + 6129407383696 = 3724354^2 + 2475764^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20000220100984 and 20000220101002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500027512623 + ... + 2500027512630.

It is an arithmetic number, because the mean of its divisors is an integer number (5833397529463).

Almost surely, 2^{20000220101012} is an apocalyptic number.

It is an amenable number.

20000220101012 is a deficient number, since it is larger than the sum of its proper divisors (15000165075766).

20000220101012 is a wasteful number, since it uses less digits than its factorization.

20000220101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000055025257 (or 5000055025255 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20000220101012 its reverse (21010102200002), we get a palindrome (41010322301014).

The spelling of 20000220101012 in words is "twenty trillion, two hundred twenty million, one hundred one thousand, twelve".