20832464 has 10 divisors (see below), whose sum is σ = 40362930. Its totient is φ = 10416224.

The previous prime is 20832451. The next prime is 20832467. The reversal of 20832464 is 46423802.

It can be written as a sum of positive squares in only one way, i.e., 12306064 + 8526400 = 3508^2 + 2920^2 .

It is a super-2 number, since 2×20832464² = 867983112622592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20832467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650999 + ... + 651030.

It is an arithmetic number, because the mean of its divisors is an integer number (4036293).

Almost surely, 2^20832464 is an apocalyptic number.

It is an amenable number.

20832464 is a deficient number, since it is larger than the sum of its proper divisors (19530466).

20832464 is a wasteful number, since it uses less digits than its factorization.

20832464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302037 (or 1302031 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 20832464 is about 4564.2594141876. The cubic root of 20832464 is about 275.1567767208.

The spelling of 20832464 in words is "twenty million, eight hundred thirty-two thousand, four hundred sixty-four".