20011020010 has 8 divisors (see below), whose sum is σ = 36019836036. Its totient is φ = 8004408000.

The previous prime is 20011019983. The next prime is 20011020013. The reversal of 20011020010 is 1002011002.

It can be written as a sum of positive squares in 2 ways, for example, as 17532672921 + 2478347089 = 132411^2 + 49783^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20011019975 and 20011020002.

It is not an unprimeable number, because it can be changed into a prime (20011020013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000550991 + ... + 1000551010.

Almost surely, 2^20011020010 is an apocalyptic number.

20011020010 is a deficient number, since it is larger than the sum of its proper divisors (16008816026).

20011020010 is a wasteful number, since it uses less digits than its factorization.

20011020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001102008.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 20011020010 its reverse (1002011002), we get a palindrome (21013031012).

The spelling of 20011020010 in words is "twenty billion, eleven million, twenty thousand, ten".