20322603452 has 24 divisors (see below), whose sum is σ = 37887427200. Its totient is φ = 9510511536.

The previous prime is 20322603439. The next prime is 20322603491. The reversal of 20322603452 is 25430622302.

It is a super-2 number, since 2×20322603452² (a number of 21 digits) contains 22 as substring.

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, 1604552 + ... + 1617167.

It is an arithmetic number, because the mean of its divisors is an integer number (1578642800).

Almost surely, 2^20322603452 is an apocalyptic number.

It is an amenable number.

20322603452 is a deficient number, since it is larger than the sum of its proper divisors (17564823748).

20322603452 is a wasteful number, since it uses less digits than its factorization.

20322603452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221825 (or 3221823 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The spelling of 20322603452 in words is "twenty billion, three hundred twenty-two million, six hundred three thousand, four hundred fifty-two".