20193012 has 72 divisors (see below), whose sum is σ = 58758336. Its totient is φ = 5727744.

The previous prime is 20193007. The next prime is 20193037. The reversal of 20193012 is 21039102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57028 + ... + 57380.

It is an arithmetic number, because the mean of its divisors is an integer number (816088).

Almost surely, 2^20193012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20193012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29379168).

20193012 is an abundant number, since it is smaller than the sum of its proper divisors (38565324).

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

20193012 is a wasteful number, since it uses less digits than its factorization.

20193012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 20193012 is about 4493.6635388066. The cubic root of 20193012 is about 272.3121596362.

The spelling of 20193012 in words is "twenty million, one hundred ninety-three thousand, twelve".