20302926 has 32 divisors (see below), whose sum is σ = 46717440. Its totient is φ = 5762016.

The previous prime is 20302907. The next prime is 20302927. The reversal of 20302926 is 62920302.

It is a super-2 number, since 2×20302926² = 824417608322952, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20302896 and 20302905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302927) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5055 + ... + 8133.

It is an arithmetic number, because the mean of its divisors is an integer number (1459920).

Almost surely, 2^20302926 is an apocalyptic number.

20302926 is an abundant number, since it is smaller than the sum of its proper divisors (26414514).

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

20302926 is a wasteful number, since it uses less digits than its factorization.

20302926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 20302926 is about 4505.8768292087. The cubic root of 20302926 is about 272.8053463548.

The spelling of 20302926 in words is "twenty million, three hundred two thousand, nine hundred twenty-six".