20020012010 has 16 divisors (see below), whose sum is σ = 36038587176. Its totient is φ = 8007434688.

The previous prime is 20020011997. The next prime is 20020012013. The reversal of 20020012010 is 1021002002.

It can be written as a sum of positive squares in 4 ways, for example, as 16622171329 + 3397840681 = 128927^2 + 58291^2 .

It is not an unprimeable number, because it can be changed into a prime (20020012013) 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, 94604 + ... + 221336.

Almost surely, 2^20020012010 is an apocalyptic number.

20020012010 is a deficient number, since it is larger than the sum of its proper divisors (16018575166).

20020012010 is a wasteful number, since it uses less digits than its factorization.

20020012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142537.

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

Adding to 20020012010 its reverse (1021002002), we get a palindrome (21041014012).

The spelling of 20020012010 in words is "twenty billion, twenty million, twelve thousand, ten".