20110201210 has 24 divisors (see below), whose sum is σ = 39788284788. Its totient is φ = 7312800000.

The previous prime is 20110201201. The next prime is 20110201249. The reversal of 20110201210 is 1210201102.

It can be written as a sum of positive squares in 2 ways, for example, as 17689266001 + 2420935209 = 133001^2 + 49203^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8308791 + ... + 8311210.

Almost surely, 2^20110201210 is an apocalyptic number.

20110201210 is a deficient number, since it is larger than the sum of its proper divisors (19678083578).

20110201210 is a wasteful number, since it uses less digits than its factorization.

20110201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16620030 (or 16620019 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20110201210 its reverse (1210201102), we get a palindrome (21320402312).

The spelling of 20110201210 in words is "twenty billion, one hundred ten million, two hundred one thousand, two hundred ten".