20341012340 has 36 divisors (see below), whose sum is σ = 46952441508. Its totient is φ = 7396730880.

The previous prime is 20341012337. The next prime is 20341012387. The reversal of 20341012340 is 4321014302.

It can be written as a sum of positive squares in 2 ways, for example, as 9857709796 + 10483302544 = 99286^2 + 102388^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4200269 + ... + 4205108.

Almost surely, 2^20341012340 is an apocalyptic number.

20341012340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20341012340 is an abundant number, since it is smaller than the sum of its proper divisors (26611429168).

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

20341012340 is a wasteful number, since it uses less digits than its factorization.

20341012340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8405408 (or 8405395 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20341012340 its reverse (4321014302), we get a palindrome (24662026642).

The spelling of 20341012340 in words is "twenty billion, three hundred forty-one million, twelve thousand, three hundred forty".