20672410 has 16 divisors (see below), whose sum is σ = 40593312. Its totient is φ = 7517200.

The previous prime is 20672371. The next prime is 20672411. The reversal of 20672410 is 1427602.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (20672411) 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, 93856 + ... + 94075.

It is an arithmetic number, because the mean of its divisors is an integer number (2537082).

Almost surely, 2^20672410 is an apocalyptic number.

20672410 is a deficient number, since it is larger than the sum of its proper divisors (19920902).

20672410 is a wasteful number, since it uses less digits than its factorization.

20672410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187949.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 20672410 is about 4546.6922042294. The cubic root of 20672410 is about 274.4502958546.

The spelling of 20672410 in words is "twenty million, six hundred seventy-two thousand, four hundred ten".