20700330 has 32 divisors (see below), whose sum is σ = 56778624. Its totient is φ = 4731456.

The previous prime is 20700319. The next prime is 20700341. The reversal of 20700330 is 3300702.

It is an interprime number because it is at equal distance from previous prime (20700319) and next prime (20700341).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49077 + ... + 49496.

It is an arithmetic number, because the mean of its divisors is an integer number (1774332).

Almost surely, 2^20700330 is an apocalyptic number.

20700330 is an abundant number, since it is smaller than the sum of its proper divisors (36078294).

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

20700330 is a wasteful number, since it uses less digits than its factorization.

20700330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98590.

The product of its (nonzero) digits is 126, while the sum is 15.

The square root of 20700330 is about 4549.7615322124. The cubic root of 20700330 is about 274.5737971000.

The spelling of 20700330 in words is "twenty million, seven hundred thousand, three hundred thirty".