20110670121020 has 12 divisors (see below), whose sum is σ = 42232407254184. Its totient is φ = 8044268048400.

The previous prime is 20110670120971. The next prime is 20110670121043. The reversal of 20110670121020 is 2012107601102.

It is a congruent number.

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, 502766753006 + ... + 502766753045.

It is an arithmetic number, because the mean of its divisors is an integer number (3519367271182).

Almost surely, 2^{20110670121020} is an apocalyptic number.

20110670121020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110670121020 is an abundant number, since it is smaller than the sum of its proper divisors (22121737133164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20110670121020 is a wasteful number, since it uses less digits than its factorization.

20110670121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005533506060 (or 1005533506058 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 20110670121020 its reverse (2012107601102), we get a palindrome (22122777722122).

The spelling of 20110670121020 in words is "twenty trillion, one hundred ten billion, six hundred seventy million, one hundred twenty-one thousand, twenty".