20602001121828 has 48 divisors (see below), whose sum is σ = 55869833564160. Its totient is φ = 5786518473504.

The previous prime is 20602001121817. The next prime is 20602001121917. The reversal of 20602001121828 is 82812110020602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2078485876 + ... + 2078495787.

It is an arithmetic number, because the mean of its divisors is an integer number (1163954865920).

Almost surely, 2^{20602001121828} is an apocalyptic number.

20602001121828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20602001121828 is an abundant number, since it is smaller than the sum of its proper divisors (35267832442332).

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

20602001121828 is a wasteful number, since it uses less digits than its factorization.

20602001121828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156981736 (or 4156981734 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The spelling of 20602001121828 in words is "twenty trillion, six hundred two billion, one million, one hundred twenty-one thousand, eight hundred twenty-eight".