20460860 has 48 divisors (see below), whose sum is σ = 52000704. Its totient is φ = 6601728.

The previous prime is 20460859. The next prime is 20460871. The reversal of 20460860 is 6806402.

20460860 = T₁₄₄ + T₁₄₅ + ... + T₅₀₀.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1919 + ... + 6678.

It is an arithmetic number, because the mean of its divisors is an integer number (1083348).

Almost surely, 2^20460860 is an apocalyptic number.

20460860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20460860 is an abundant number, since it is smaller than the sum of its proper divisors (31539844).

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

20460860 is a wasteful number, since it uses less digits than its factorization.

20460860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8630 (or 8628 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 20460860 is about 4523.3682140635. The cubic root of 20460860 is about 273.5108932892.

The spelling of 20460860 in words is "twenty million, four hundred sixty thousand, eight hundred sixty".