20294064 has 100 divisors (see below), whose sum is σ = 67157904. Its totient is φ = 5795712.

The previous prime is 20294063. The next prime is 20294069. The reversal of 20294064 is 46049202.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20294063) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7954 + ... + 10190.

Almost surely, 2^20294064 is an apocalyptic number.

20294064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20294064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33578952).

20294064 is an abundant number, since it is smaller than the sum of its proper divisors (46863840).

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

20294064 is a wasteful number, since it uses less digits than its factorization.

20294064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264 (or 2249 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 20294064 is about 4504.8933394699. The cubic root of 20294064 is about 272.7656484181.

The spelling of 20294064 in words is "twenty million, two hundred ninety-four thousand, sixty-four".