20001011020010 has 8 divisors (see below), whose sum is σ = 36001819836036. Its totient is φ = 8000404408000.

The previous prime is 20001011020007. The next prime is 20001011020033. The reversal of 20001011020010 is 1002011010002.

It can be written as a sum of positive squares in 2 ways, for example, as 19583218135849 + 417792884161 = 4425293^2 + 646369^2 .

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

It is a super-2 number, since 2×20001011020010² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20001011020010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000050550991 + ... + 1000050551010.

Almost surely, 2^{20001011020010} is an apocalyptic number.

20001011020010 is a deficient number, since it is larger than the sum of its proper divisors (16000808816026).

20001011020010 is a wasteful number, since it uses less digits than its factorization.

20001011020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000101102008.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20001011020010 its reverse (1002011010002), we get a palindrome (21003022030012).

The spelling of 20001011020010 in words is "twenty trillion, one billion, eleven million, twenty thousand, ten".