2130020554 has 4 divisors (see below), whose sum is σ = 3195030834. Its totient is φ = 1065010276.

The previous prime is 2130020549. The next prime is 2130020611. The reversal of 2130020554 is 4550200312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1699665529 + 430355025 = 41227^2 + 20745^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532505137 + ... + 532505140.

Almost surely, 2^2130020554 is an apocalyptic number.

2130020554 is a deficient number, since it is larger than the sum of its proper divisors (1065010280).

2130020554 is a wasteful number, since it uses less digits than its factorization.

2130020554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065010279.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2130020554 is about 46152.1457139319. The cubic root of 2130020554 is about 1286.6524898286.

Adding to 2130020554 its reverse (4550200312), we get a palindrome (6680220866).

The spelling of 2130020554 in words is "two billion, one hundred thirty million, twenty thousand, five hundred fifty-four".