20061377 has 16 divisors (see below), whose sum is σ = 24406272. Its totient is φ = 16097280.

The previous prime is 20061367. The next prime is 20061403. The reversal of 20061377 is 77316002.

It is a cyclic number.

It is not a de Polignac number, because 20061377 - 2¹² = 20057281 is a prime.

It is a super-2 number, since 2×20061377² = 804917694272258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20061367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30977 + ... + 31617.

It is an arithmetic number, because the mean of its divisors is an integer number (1525392).

Almost surely, 2^20061377 is an apocalyptic number.

It is an amenable number.

20061377 is a deficient number, since it is larger than the sum of its proper divisors (4344895).

20061377 is a wasteful number, since it uses less digits than its factorization.

20061377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 20061377 is about 4478.9928555424. The cubic root of 20061377 is about 271.7191494490.

Adding to 20061377 its reverse (77316002), we get a palindrome (97377379).

The spelling of 20061377 in words is "twenty million, sixty-one thousand, three hundred seventy-seven".