20713622 has 4 divisors (see below), whose sum is σ = 31070436. Its totient is φ = 10356810.

The previous prime is 20713613. The next prime is 20713631. The reversal of 20713622 is 22631702.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20713613) and next prime (20713631).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5178404 + ... + 5178407.

It is an arithmetic number, because the mean of its divisors is an integer number (7767609).

Almost surely, 2^20713622 is an apocalyptic number.

20713622 is a deficient number, since it is larger than the sum of its proper divisors (10356814).

20713622 is a wasteful number, since it uses less digits than its factorization.

20713622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10356813.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 20713622 is about 4551.2220336960. Note that the first 3 decimals coincide. The cubic root of 20713622 is about 274.6325538771.

The spelling of 20713622 in words is "twenty million, seven hundred thirteen thousand, six hundred twenty-two".