20120020210 has 32 divisors (see below), whose sum is σ = 38394703872. Its totient is φ = 7577893440.

The previous prime is 20120020199. The next prime is 20120020237. The reversal of 20120020210 is 1202002102.

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 15 ways as a sum of consecutive naturals, for example, 865602 + ... + 888541.

It is an arithmetic number, because the mean of its divisors is an integer number (1199834496).

Almost surely, 2^20120020210 is an apocalyptic number.

20120020210 is a deficient number, since it is larger than the sum of its proper divisors (18274683662).

20120020210 is a wasteful number, since it uses less digits than its factorization.

20120020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754218.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20120020210 its reverse (1202002102), we get a palindrome (21322022312).

The spelling of 20120020210 in words is "twenty billion, one hundred twenty million, twenty thousand, two hundred ten".