20068213340 has 48 divisors (see below), whose sum is σ = 48413330112. Its totient is φ = 6844870656.

The previous prime is 20068213339. The next prime is 20068213357. The reversal of 20068213340 is 4331286002.

It is a congruent number.

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, 344339 + ... + 398378.

It is an arithmetic number, because the mean of its divisors is an integer number (1008611044).

Almost surely, 2^20068213340 is an apocalyptic number.

20068213340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20068213340 is an abundant number, since it is smaller than the sum of its proper divisors (28345116772).

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

20068213340 is a wasteful number, since it uses less digits than its factorization.

20068213340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742926 (or 742924 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 20068213340 its reverse (4331286002), we get a palindrome (24399499342).

The spelling of 20068213340 in words is "twenty billion, sixty-eight million, two hundred thirteen thousand, three hundred forty".