20796402 has 16 divisors (see below), whose sum is σ = 45374112. Its totient is φ = 6301920.

The previous prime is 20796401. The next prime is 20796449. The reversal of 20796402 is 20469702.

It is a happy number.

It is a super-3 number, since 3×20796402³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 20796402.

It is not an unprimeable number, because it can be changed into a prime (20796401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157483 + ... + 157614.

It is an arithmetic number, because the mean of its divisors is an integer number (2835882).

Almost surely, 2^20796402 is an apocalyptic number.

20796402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20796402 is an abundant number, since it is smaller than the sum of its proper divisors (24577710).

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

20796402 is a wasteful number, since it uses less digits than its factorization.

20796402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315113.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 20796402 is about 4560.3072264925. The cubic root of 20796402 is about 274.9979151357.

The spelling of 20796402 in words is "twenty million, seven hundred ninety-six thousand, four hundred two".