20202402 has 24 divisors (see below), whose sum is σ = 44413488. Its totient is φ = 6121720.

The previous prime is 20202379. The next prime is 20202419. The reversal of 20202402 is 20420202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13188 + ... + 14639.

It is an arithmetic number, because the mean of its divisors is an integer number (1850562).

Almost surely, 2^20202402 is an apocalyptic number.

20202402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20202402 is an abundant number, since it is smaller than the sum of its proper divisors (24211086).

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

20202402 is a wasteful number, since it uses less digits than its factorization.

20202402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27854 (or 27843 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 20202402 is about 4494.7082218983. The cubic root of 20202402 is about 272.3543626012.

Adding to 20202402 its reverse (20420202), we get a palindrome (40622604).

The spelling of 20202402 in words is "twenty million, two hundred two thousand, four hundred two".