20793402 has 32 divisors (see below), whose sum is σ = 52809600. Its totient is φ = 5940864.

The previous prime is 20793361. The next prime is 20793407. The reversal of 20793402 is 20439702.

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 (20793407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27127 + ... + 27882.

It is an arithmetic number, because the mean of its divisors is an integer number (1650300).

Almost surely, 2^20793402 is an apocalyptic number.

20793402 is an abundant number, since it is smaller than the sum of its proper divisors (32016198).

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

20793402 is a wasteful number, since it uses less digits than its factorization.

20793402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55027 (or 55021 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 20793402 is about 4559.9782894220. The cubic root of 20793402 is about 274.9846911588.

The spelling of 20793402 in words is "twenty million, seven hundred ninety-three thousand, four hundred two".