20223780408 has 64 divisors (see below), whose sum is σ = 60498496800. Its totient is φ = 6222700800.

The previous prime is 20223780391. The next prime is 20223780413. The reversal of 20223780408 is 80408732202.

20223780408 is a `hidden beast` number, since 20 + 223 + 7 + 8 + 0 + 408 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3598293 + ... + 3603908.

Almost surely, 2^20223780408 is an apocalyptic number.

It is an amenable number.

20223780408 is an abundant number, since it is smaller than the sum of its proper divisors (40274716392).

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

20223780408 is a wasteful number, since it uses less digits than its factorization.

20223780408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7202229 (or 7202219 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 20223780408 in words is "twenty billion, two hundred twenty-three million, seven hundred eighty thousand, four hundred eight".