20223687748 has 12 divisors (see below), whose sum is σ = 38608858512. Its totient is φ = 9192585320.

The previous prime is 20223687727. The next prime is 20223687769. The reversal of 20223687748 is 84778632202.

It is an interprime number because it is at equal distance from previous prime (20223687727) and next prime (20223687769).

It is a super-2 number, since 2×20223687748² (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, 229814590 + ... + 229814677.

It is an arithmetic number, because the mean of its divisors is an integer number (3217404876).

Almost surely, 2^20223687748 is an apocalyptic number.

It is an amenable number.

20223687748 is a deficient number, since it is larger than the sum of its proper divisors (18385170764).

20223687748 is a wasteful number, since it uses less digits than its factorization.

20223687748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459629282 (or 459629280 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 49.

The spelling of 20223687748 in words is "twenty billion, two hundred twenty-three million, six hundred eighty-seven thousand, seven hundred forty-eight".