20055505370 has 16 divisors (see below), whose sum is σ = 38223434088. Its totient is φ = 7550307840.

The previous prime is 20055505307. The next prime is 20055505409. The reversal of 20055505370 is 7350555002.

It can be written as a sum of positive squares in 4 ways, for example, as 18120121321 + 1935384049 = 134611^2 + 43993^2 .

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, 58986611 + ... + 58986950.

Almost surely, 2^20055505370 is an apocalyptic number.

20055505370 is a deficient number, since it is larger than the sum of its proper divisors (18167928718).

20055505370 is a wasteful number, since it uses less digits than its factorization.

20055505370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117973585.

The product of its (nonzero) digits is 26250, while the sum is 32.

The spelling of 20055505370 in words is "twenty billion, fifty-five million, five hundred five thousand, three hundred seventy".