20342113340 has 24 divisors (see below), whose sum is σ = 42724955952. Its totient is φ = 8135603840.

The previous prime is 20342113313. The next prime is 20342113403. The reversal of 20342113340 is 4331124302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62975 + ... + 211305.

It is an arithmetic number, because the mean of its divisors is an integer number (1780206498).

Almost surely, 2^20342113340 is an apocalyptic number.

20342113340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20342113340 is an abundant number, since it is smaller than the sum of its proper divisors (22382842612).

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

20342113340 is a wasteful number, since it uses less digits than its factorization.

20342113340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155197 (or 155195 counting only the distinct ones).

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

Adding to 20342113340 its reverse (4331124302), we get a palindrome (24673237642).

The spelling of 20342113340 in words is "twenty billion, three hundred forty-two million, one hundred thirteen thousand, three hundred forty".