20941146 has 16 divisors (see below), whose sum is σ = 46536000. Its totient is φ = 6980364.

The previous prime is 20941091. The next prime is 20941163. The reversal of 20941146 is 64114902.

20941146 is a `hidden beast` number, since 209 + 411 + 46 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193846 + ... + 193953.

It is an arithmetic number, because the mean of its divisors is an integer number (2908500).

Almost surely, 2^20941146 is an apocalyptic number.

20941146 is an abundant number, since it is smaller than the sum of its proper divisors (25594854).

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

20941146 is a wasteful number, since it uses less digits than its factorization.

20941146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387810 (or 387804 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 20941146 is about 4576.1496916076. The cubic root of 20941146 is about 275.6344404189.

It can be divided in two parts, 2094 and 1146, that added together give a triangular number (3240 = T₈₀).

The spelling of 20941146 in words is "twenty million, nine hundred forty-one thousand, one hundred forty-six".