20423345626 has 8 divisors (see below), whose sum is σ = 30638936160. Its totient is φ = 10210366908.

The previous prime is 20423345609. The next prime is 20423345639. The reversal of 20423345626 is 62654332402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20423345626² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633286 + ... + 664753.

It is an arithmetic number, because the mean of its divisors is an integer number (3829867020).

Almost surely, 2^20423345626 is an apocalyptic number.

20423345626 is a deficient number, since it is larger than the sum of its proper divisors (10215590534).

20423345626 is a wasteful number, since it uses less digits than its factorization.

20423345626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305908.

The product of its (nonzero) digits is 207360, while the sum is 37.

The spelling of 20423345626 in words is "twenty billion, four hundred twenty-three million, three hundred forty-five thousand, six hundred twenty-six".