20572626 has 16 divisors (see below), whose sum is σ = 42934464. Its totient is φ = 6559344.

The previous prime is 20572613. The next prime is 20572661. The reversal of 20572626 is 62627502.

It is a junction number, because it is equal to n+sod(n) for n = 20572593 and 20572602.

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, 74401 + ... + 74676.

It is an arithmetic number, because the mean of its divisors is an integer number (2683404).

Almost surely, 2^20572626 is an apocalyptic number.

20572626 is an abundant number, since it is smaller than the sum of its proper divisors (22361838).

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

20572626 is a wasteful number, since it uses less digits than its factorization.

20572626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149105.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 20572626 is about 4535.7056782820. The cubic root of 20572626 is about 274.0080005478.

The spelling of 20572626 in words is "twenty million, five hundred seventy-two thousand, six hundred twenty-six".