20633492 has 24 divisors (see below), whose sum is σ = 39789792. Its totient is φ = 9284000.

The previous prime is 20633491. The next prime is 20633497. The reversal of 20633492 is 29433602.

It is a super-2 number, since 2×20633492² = 851481984228128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20633491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2123 + ... + 6765.

It is an arithmetic number, because the mean of its divisors is an integer number (1657908).

Almost surely, 2^20633492 is an apocalyptic number.

20633492 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20633492 is a deficient number, since it is larger than the sum of its proper divisors (19156300).

20633492 is a wasteful number, since it uses less digits than its factorization.

20633492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4759 (or 4757 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 20633492 is about 4542.4103733591. The cubic root of 20633492 is about 274.2779604186.

It can be divided in two parts, 2063 and 3492, that added together give a palindrome (5555).

The spelling of 20633492 in words is "twenty million, six hundred thirty-three thousand, four hundred ninety-two".