20274832 has 20 divisors (see below), whose sum is σ = 40025340. Its totient is φ = 9945728.

The previous prime is 20274827. The next prime is 20274833. The reversal of 20274832 is 23847202.

It can be written as a sum of positive squares in 2 ways, for example, as 7054336 + 13220496 = 2656^2 + 3636^2 .

It is a super-2 number, since 2×20274832² = 822137625256448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20274832.

It is not an unprimeable number, because it can be changed into a prime (20274833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11107 + ... + 12802.

It is an arithmetic number, because the mean of its divisors is an integer number (2001267).

Almost surely, 2^20274832 is an apocalyptic number.

It is an amenable number.

20274832 is a deficient number, since it is larger than the sum of its proper divisors (19750508).

20274832 is a wasteful number, since it uses less digits than its factorization.

20274832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23970 (or 23964 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 20274832 is about 4502.7582657744. The cubic root of 20274832 is about 272.6794575838.

It can be divided in two parts, 2027 and 4832, that added together give a cube (6859 = 19³).

The spelling of 20274832 in words is "twenty million, two hundred seventy-four thousand, eight hundred thirty-two".