20213376 has 32 divisors (see below), whose sum is σ = 53692800. Its totient is φ = 6737664.

The previous prime is 20213353. The next prime is 20213399. The reversal of 20213376 is 67331202.

It is an interprime number because it is at equal distance from previous prime (20213353) and next prime (20213399).

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 25936 + ... + 26703.

It is an arithmetic number, because the mean of its divisors is an integer number (1677900).

Almost surely, 2^20213376 is an apocalyptic number.

It is an amenable number.

20213376 is an abundant number, since it is smaller than the sum of its proper divisors (33479424).

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

20213376 is an equidigital number, since it uses as much as digits as its factorization.

20213376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52656 (or 52644 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 20213376 is about 4495.9288250594. The cubic root of 20213376 is about 272.4036682194.

Adding to 20213376 its reverse (67331202), we get a palindrome (87544578).

The spelling of 20213376 in words is "twenty million, two hundred thirteen thousand, three hundred seventy-six".