20340201020 has 24 divisors (see below), whose sum is σ = 42753405744. Its totient is φ = 8128654976.

The previous prime is 20340200941. The next prime is 20340201023. The reversal of 20340201020 is 2010204302.

It is a junction number, because it is equal to n+sod(n) for n = 20340200986 and 20340201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20340201023) 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, 441602 + ... + 485481.

It is an arithmetic number, because the mean of its divisors is an integer number (1781391906).

Almost surely, 2^20340201020 is an apocalyptic number.

20340201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20340201020 is an abundant number, since it is smaller than the sum of its proper divisors (22413204724).

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

20340201020 is a wasteful number, since it uses less digits than its factorization.

20340201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928189 (or 928187 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20340201020 its reverse (2010204302), we get a palindrome (22350405322).

The spelling of 20340201020 in words is "twenty billion, three hundred forty million, two hundred one thousand, twenty".