20962797 has 8 divisors (see below), whose sum is σ = 28129056. Its totient is φ = 13885872.

The previous prime is 20962787. The next prime is 20962807. The reversal of 20962797 is 79726902.

It is an interprime number because it is at equal distance from previous prime (20962787) and next prime (20962807).

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

It is not a de Polignac number, because 20962797 - 2¹⁴ = 20946413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20962787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21783 + ... + 22724.

It is an arithmetic number, because the mean of its divisors is an integer number (3516132).

Almost surely, 2^20962797 is an apocalyptic number.

It is an amenable number.

20962797 is a deficient number, since it is larger than the sum of its proper divisors (7166259).

20962797 is a wasteful number, since it uses less digits than its factorization.

20962797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44667.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 20962797 is about 4578.5147154945. The cubic root of 20962797 is about 275.7294002931.

The spelling of 20962797 in words is "twenty million, nine hundred sixty-two thousand, seven hundred ninety-seven".