20773522 has 24 divisors (see below), whose sum is σ = 39146688. Its totient is φ = 8092920.

The previous prime is 20773469. The next prime is 20773549. The reversal of 20773522 is 22537702.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4438 + ... + 7825.

It is an arithmetic number, because the mean of its divisors is an integer number (1631112).

Almost surely, 2^20773522 is an apocalyptic number.

20773522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20773522 is a deficient number, since it is larger than the sum of its proper divisors (18373166).

20773522 is a wasteful number, since it uses less digits than its factorization.

20773522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12294 (or 12283 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 20773522 is about 4557.7979332129. The cubic root of 20773522 is about 274.8970281144.

The spelling of 20773522 in words is "twenty million, seven hundred seventy-three thousand, five hundred twenty-two".