20021011120010 has 64 divisors (see below), whose sum is σ = 36260191199232. Its totient is φ = 7959184091136.

The previous prime is 20021011119959. The next prime is 20021011120037. The reversal of 20021011120010 is 1002111012002.

It is a junction number, because it is equal to n+sod(n) for n = 20021011119973 and 20021011120000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1421233187 + ... + 1421247273.

It is an arithmetic number, because the mean of its divisors is an integer number (566565487488).

Almost surely, 2^{20021011120010} is an apocalyptic number.

20021011120010 is a deficient number, since it is larger than the sum of its proper divisors (16239180079222).

20021011120010 is a wasteful number, since it uses less digits than its factorization.

20021011120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15767.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20021011120010 its reverse (1002111012002), we get a palindrome (21023122132012).

The spelling of 20021011120010 in words is "twenty trillion, twenty-one billion, eleven million, one hundred twenty thousand, ten".