20402348 has 6 divisors (see below), whose sum is σ = 35704116. Its totient is φ = 10201172.

The previous prime is 20402321. The next prime is 20402351. The reversal of 20402348 is 84320402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550290 + ... + 2550297.

It is an arithmetic number, because the mean of its divisors is an integer number (5950686).

Almost surely, 2^20402348 is an apocalyptic number.

It is an amenable number.

20402348 is a deficient number, since it is larger than the sum of its proper divisors (15301768).

20402348 is a wasteful number, since it uses less digits than its factorization.

20402348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100591 (or 5100589 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 20402348 is about 4516.8958367445. The cubic root of 20402348 is about 273.2499243153.

The spelling of 20402348 in words is "twenty million, four hundred two thousand, three hundred forty-eight".