20012050340 has 48 divisors (see below), whose sum is σ = 42333096960. Its totient is φ = 7946373120.

The previous prime is 20012050321. The next prime is 20012050343. The reversal of 20012050340 is 4305021002.

It is not an unprimeable number, because it can be changed into a prime (20012050343) 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, 1889981 + ... + 1900539.

It is an arithmetic number, because the mean of its divisors is an integer number (881939520).

Almost surely, 2^20012050340 is an apocalyptic number.

20012050340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012050340 is an abundant number, since it is smaller than the sum of its proper divisors (22321046620).

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

20012050340 is a wasteful number, since it uses less digits than its factorization.

20012050340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11252 (or 11250 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

Adding to 20012050340 its reverse (4305021002), we get a palindrome (24317071342).

The spelling of 20012050340 in words is "twenty billion, twelve million, fifty thousand, three hundred forty".