20434303011020 has 48 divisors (see below), whose sum is σ = 43462213804800. Its totient is φ = 8069582523840.

The previous prime is 20434303010981. The next prime is 20434303011071. The reversal of 20434303011020 is 2011030343402.

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, 20034416 + ... + 21029655.

It is an arithmetic number, because the mean of its divisors is an integer number (905462787600).

Almost surely, 2^{20434303011020} is an apocalyptic number.

20434303011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20434303011020 is an abundant number, since it is smaller than the sum of its proper divisors (23027910793780).

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

20434303011020 is a wasteful number, since it uses less digits than its factorization.

20434303011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41064398 (or 41064396 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20434303011020 its reverse (2011030343402), we get a palindrome (22445333354422).

The spelling of 20434303011020 in words is "twenty trillion, four hundred thirty-four billion, three hundred three million, eleven thousand, twenty".