20342400932 has 12 divisors (see below), whose sum is σ = 40684801920. Its totient is φ = 8718171816.

The previous prime is 20342400931. The next prime is 20342400941. The reversal of 20342400932 is 23900424302.

20342400932 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20342400895 and 20342400904.

It is not an unprimeable number, because it can be changed into a prime (20342400931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363257132 + ... + 363257187.

It is an arithmetic number, because the mean of its divisors is an integer number (3390400160).

Almost surely, 2^20342400932 is an apocalyptic number.

It is an amenable number.

20342400932 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20342400932 is a wasteful number, since it uses less digits than its factorization.

20342400932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726514330 (or 726514328 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The spelling of 20342400932 in words is "twenty billion, three hundred forty-two million, four hundred thousand, nine hundred thirty-two".