20293652 has 12 divisors (see below), whose sum is σ = 35618100. Its totient is φ = 10117056.

The previous prime is 20293643. The next prime is 20293657. The reversal of 20293652 is 25639202.

It can be written as a sum of positive squares in 2 ways, for example, as 9821956 + 10471696 = 3134^2 + 3236^2 .

It is a super-2 number, since 2×20293652² = 823664622994208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20293657) 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, 5873 + ... + 8664.

It is an arithmetic number, because the mean of its divisors is an integer number (2968175).

Almost surely, 2^20293652 is an apocalyptic number.

It is an amenable number.

20293652 is a deficient number, since it is larger than the sum of its proper divisors (15324448).

20293652 is a wasteful number, since it uses less digits than its factorization.

20293652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14890 (or 14888 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 20293652 is about 4504.8476111851. The cubic root of 20293652 is about 272.7638025547.

The spelling of 20293652 in words is "twenty million, two hundred ninety-three thousand, six hundred fifty-two".