20077382450 has 24 divisors (see below), whose sum is σ = 38138487552. Its totient is φ = 7860080720.

The previous prime is 20077382447. The next prime is 20077382467. The reversal of 20077382450 is 5428377002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4269434 + ... + 4274133.

It is an arithmetic number, because the mean of its divisors is an integer number (1589103648).

Almost surely, 2^20077382450 is an apocalyptic number.

20077382450 is a deficient number, since it is larger than the sum of its proper divisors (18061105102).

20077382450 is a wasteful number, since it uses less digits than its factorization.

20077382450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8543626 (or 8543621 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 20077382450 in words is "twenty billion, seventy-seven million, three hundred eighty-two thousand, four hundred fifty".