18201829092020 has 48 divisors (see below), whose sum is σ = 43685594295168. Its totient is φ = 6240455049600.

The previous prime is 18201829092019. The next prime is 18201829092023. The reversal of 18201829092020 is 2029092810281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18201829092023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3355970 + ... + 6904070.

It is an arithmetic number, because the mean of its divisors is an integer number (910116547816).

Almost surely, 2^{18201829092020} is an apocalyptic number.

18201829092020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18201829092020 is an abundant number, since it is smaller than the sum of its proper divisors (25483765203148).

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

18201829092020 is a wasteful number, since it uses less digits than its factorization.

18201829092020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584760 (or 3584758 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 44.

The spelling of 18201829092020 in words is "eighteen trillion, two hundred one billion, eight hundred twenty-nine million, ninety-two thousand, twenty".