20051692 has 6 divisors (see below), whose sum is σ = 35090468. Its totient is φ = 10025844.

The previous prime is 20051683. The next prime is 20051711. The reversal of 20051692 is 29615002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2506458 + ... + 2506465.

Almost surely, 2^20051692 is an apocalyptic number.

It is an amenable number.

20051692 is a deficient number, since it is larger than the sum of its proper divisors (15038776).

20051692 is a wasteful number, since it uses less digits than its factorization.

20051692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5012927 (or 5012925 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 20051692 is about 4477.9115667909. The cubic root of 20051692 is about 271.6754165992.

Adding to 20051692 its reverse (29615002), we get a palindrome (49666694).

The spelling of 20051692 in words is "twenty million, fifty-one thousand, six hundred ninety-two".