20201210101210 has 32 divisors (see below), whose sum is σ = 37318682383632. Its totient is φ = 7870153274880.

The previous prime is 20201210101183. The next prime is 20201210101223. The reversal of 20201210101210 is 1210101210202.

It can be written as a sum of positive squares in 8 ways, for example, as 6160279324081 + 14040930777129 = 2481991^2 + 3747123^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139035021 + ... + 139180240.

Almost surely, 2^{20201210101210} is an apocalyptic number.

20201210101210 is a deficient number, since it is larger than the sum of its proper divisors (17117472282422).

20201210101210 is a wasteful number, since it uses less digits than its factorization.

20201210101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278215458.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20201210101210 its reverse (1210101210202), we get a palindrome (21411311311412).

The spelling of 20201210101210 in words is "twenty trillion, two hundred one billion, two hundred ten million, one hundred one thousand, two hundred ten".