20964702 has 48 divisors (see below), whose sum is σ = 46884096. Its totient is φ = 6243600.

The previous prime is 20964701. The next prime is 20964703. The reversal of 20964702 is 20746902.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20964701) and next prime (20964703).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 20964702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20964701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48427 + ... + 48857.

It is an arithmetic number, because the mean of its divisors is an integer number (976752).

Almost surely, 2^20964702 is an apocalyptic number.

20964702 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20964702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23442048).

20964702 is an abundant number, since it is smaller than the sum of its proper divisors (25919394).

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

20964702 is a wasteful number, since it uses less digits than its factorization.

20964702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 20964702 is about 4578.7227476666. The cubic root of 20964702 is about 275.7377523687.

The spelling of 20964702 in words is "twenty million, nine hundred sixty-four thousand, seven hundred two".