20078352 has 60 divisors (see below), whose sum is σ = 64222080. Its totient is φ = 5736384.

The previous prime is 20078347. The next prime is 20078371. The reversal of 20078352 is 25387002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8952 + ... + 10967.

It is an arithmetic number, because the mean of its divisors is an integer number (1070368).

Almost surely, 2^20078352 is an apocalyptic number.

It is an amenable number.

20078352 is an abundant number, since it is smaller than the sum of its proper divisors (44143728).

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

20078352 is a wasteful number, since it uses less digits than its factorization.

20078352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19940 (or 19931 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 20078352 is about 4480.8874121093. The cubic root of 20078352 is about 271.7957665265.

The spelling of 20078352 in words is "twenty million, seventy-eight thousand, three hundred fifty-two".