20412013340 has 24 divisors (see below), whose sum is σ = 42871580640. Its totient is φ = 8163595328.

The previous prime is 20412013327. The next prime is 20412013393. The reversal of 20412013340 is 4331021402.

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 7 ways as a sum of consecutive naturals, for example, 69494 + ... + 213666.

It is an arithmetic number, because the mean of its divisors is an integer number (1786315860).

Almost surely, 2^20412013340 is an apocalyptic number.

20412013340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20412013340 is an abundant number, since it is smaller than the sum of its proper divisors (22459567300).

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

20412013340 is a wasteful number, since it uses less digits than its factorization.

20412013340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151261 (or 151259 counting only the distinct ones).

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

Adding to 20412013340 its reverse (4331021402), we get a palindrome (24743034742).

The spelling of 20412013340 in words is "twenty billion, four hundred twelve million, thirteen thousand, three hundred forty".