20697962 has 8 divisors (see below), whose sum is σ = 31171392. Its totient is φ = 10307500.

The previous prime is 20697923. The next prime is 20697977. The reversal of 20697962 is 26979602.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20114 + ... + 21117.

It is an arithmetic number, because the mean of its divisors is an integer number (3896424).

Almost surely, 2^20697962 is an apocalyptic number.

20697962 is a deficient number, since it is larger than the sum of its proper divisors (10473430).

20697962 is a wasteful number, since it uses less digits than its factorization.

20697962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41484.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 20697962 is about 4549.5012913505. The cubic root of 20697962 is about 274.5633268073.

The spelling of 20697962 in words is "twenty million, six hundred ninety-seven thousand, nine hundred sixty-two".