20763400 has 48 divisors (see below), whose sum is σ = 55175040. Its totient is φ = 7118400.

The previous prime is 20763377. The next prime is 20763437. The reversal of 20763400 is 436702.

It is a super-2 number, since 2×20763400² = 862237559120000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6016 + ... + 8815.

It is an arithmetic number, because the mean of its divisors is an integer number (1149480).

Almost surely, 2^20763400 is an apocalyptic number.

20763400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20763400 is an abundant number, since it is smaller than the sum of its proper divisors (34411640).

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

20763400 is a wasteful number, since it uses less digits than its factorization.

20763400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14854 (or 14845 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 20763400 is about 4556.6873932716. The cubic root of 20763400 is about 274.8523725544.

It can be divided in two parts, 2076 and 3400, that added together give a square (5476 = 74²).

The spelling of 20763400 in words is "twenty million, seven hundred sixty-three thousand, four hundred".