20120220012010 has 16 divisors (see below), whose sum is σ = 36216562876200. Its totient is φ = 8048050926016.

The previous prime is 20120220011993. The next prime is 20120220012031. The reversal of 20120220012010 is 1021002202102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18501551603649 + 1618668408361 = 4301343^2 + 1272269^2 .

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, 2299765 + ... + 6747544.

Almost surely, 2^{20120220012010} is an apocalyptic number.

20120220012010 is a deficient number, since it is larger than the sum of its proper divisors (16096342864190).

20120220012010 is a wasteful number, since it uses less digits than its factorization.

20120220012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9269705.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20120220012010 its reverse (1021002202102), we get a palindrome (21141222214112).

The spelling of 20120220012010 in words is "twenty trillion, one hundred twenty billion, two hundred twenty million, twelve thousand, ten".