16202940 has 48 divisors (see below), whose sum is σ = 48860448. Its totient is φ = 3988224.

The previous prime is 16202933. The next prime is 16202941. The reversal of 16202940 is 4920261.

It is a self number, because there is not a number n which added to its sum of digits gives 16202940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16202941) 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, 9607 + ... + 11166.

It is an arithmetic number, because the mean of its divisors is an integer number (1017926).

Almost surely, 2^16202940 is an apocalyptic number.

16202940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16202940 is an abundant number, since it is smaller than the sum of its proper divisors (32657508).

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

16202940 is a wasteful number, since it uses less digits than its factorization.

16202940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20798 (or 20796 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 16202940 is about 4025.2875673671. The cubic root of 16202940 is about 253.0451054056.

It can be divided in two parts, 1620 and 2940, that added together give a triangular number (4560 = T₉₅).

The spelling of 16202940 in words is "sixteen million, two hundred two thousand, nine hundred forty".