20602616 has 8 divisors (see below), whose sum is σ = 38629920. Its totient is φ = 10301304.

The previous prime is 20602613. The next prime is 20602619. The reversal of 20602616 is 61620602.

It is an interprime number because it is at equal distance from previous prime (20602613) and next prime (20602619).

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 20602591 and 20602600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20602613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1287656 + ... + 1287671.

It is an arithmetic number, because the mean of its divisors is an integer number (4828740).

Almost surely, 2^20602616 is an apocalyptic number.

It is an amenable number.

20602616 is a deficient number, since it is larger than the sum of its proper divisors (18027304).

20602616 is a wasteful number, since it uses less digits than its factorization.

20602616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575333 (or 2575329 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 20602616 is about 4539.0104648480. The cubic root of 20602616 is about 274.1410820856.

The spelling of 20602616 in words is "twenty million, six hundred two thousand, six hundred sixteen".