20924622 has 16 divisors (see below), whose sum is σ = 46499280. Its totient is φ = 6974856.

The previous prime is 20924609. The next prime is 20924639. The reversal of 20924622 is 22642902.

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

It is a congruent number.

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, 193693 + ... + 193800.

It is an arithmetic number, because the mean of its divisors is an integer number (2906205).

Almost surely, 2^20924622 is an apocalyptic number.

20924622 is an abundant number, since it is smaller than the sum of its proper divisors (25574658).

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

20924622 is a wasteful number, since it uses less digits than its factorization.

20924622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387504 (or 387498 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 20924622 is about 4574.3438873788. The cubic root of 20924622 is about 275.5619231845.

The spelling of 20924622 in words is "twenty million, nine hundred twenty-four thousand, six hundred twenty-two".