20246266 has 16 divisors (see below), whose sum is σ = 31033728. Its totient is φ = 9903600.

The previous prime is 20246243. The next prime is 20246293. The reversal of 20246266 is 66264202.

It is a super-2 number, since 2×20246266² = 819822573885512, which contains 22 as substring.

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, 31771 + ... + 32401.

It is an arithmetic number, because the mean of its divisors is an integer number (1939608).

Almost surely, 2^20246266 is an apocalyptic number.

20246266 is a deficient number, since it is larger than the sum of its proper divisors (10787462).

20246266 is a wasteful number, since it uses less digits than its factorization.

20246266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 20246266 is about 4499.5850919835. The cubic root of 20246266 is about 272.5513344918.

The spelling of 20246266 in words is "twenty million, two hundred forty-six thousand, two hundred sixty-six".