20020030210 has 16 divisors (see below), whose sum is σ = 36053019000. Its totient is φ = 8004242176.

The previous prime is 20020030169. The next prime is 20020030211. The reversal of 20020030210 is 1203002002.

It can be written as a sum of positive squares in 4 ways, for example, as 12769678009 + 7250352201 = 113003^2 + 85149^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20020030211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448885 + ... + 491464.

Almost surely, 2^20020030210 is an apocalyptic number.

20020030210 is a deficient number, since it is larger than the sum of its proper divisors (16032988790).

20020030210 is a wasteful number, since it uses less digits than its factorization.

20020030210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942485.

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 20020030210 its reverse (1203002002), we get a palindrome (21223032212).

The spelling of 20020030210 in words is "twenty billion, twenty million, thirty thousand, two hundred ten".