1000000020860 has 24 divisors (see below), whose sum is σ = 2172413839680. Its totient is φ = 386206904384.

The previous prime is 1000000020847. The next prime is 1000000020869. The reversal of 1000000020860 is 680200000001.

1000000020860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000000020869) 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, 862068404 + ... + 862069563.

It is an arithmetic number, because the mean of its divisors is an integer number (90517243320).

Almost surely, 2^{1000000020860} is an apocalyptic number.

1000000020860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000000020860 is an abundant number, since it is smaller than the sum of its proper divisors (1172413818820).

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

1000000020860 is a wasteful number, since it uses less digits than its factorization.

1000000020860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724138005 (or 1724138003 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1000000020860 its reverse (680200000001), we get a palindrome (1680200020861).

The spelling of 1000000020860 in words is "one trillion, twenty thousand, eight hundred sixty".