20273722 has 32 divisors (see below), whose sum is σ = 36864000. Its totient is φ = 8168688.

The previous prime is 20273717. The next prime is 20273761. The reversal of 20273722 is 22737202.

It is a super-2 number, since 2×20273722² = 822047607466568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52743 + ... + 53125.

It is an arithmetic number, because the mean of its divisors is an integer number (1152000).

Almost surely, 2^20273722 is an apocalyptic number.

20273722 is a deficient number, since it is larger than the sum of its proper divisors (16590278).

20273722 is a wasteful number, since it uses less digits than its factorization.

20273722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 20273722 is about 4502.6350063046. The cubic root of 20273722 is about 272.6744813038.

The spelling of 20273722 in words is "twenty million, two hundred seventy-three thousand, seven hundred twenty-two".