20077370 has 8 divisors (see below), whose sum is σ = 36139284. Its totient is φ = 8030944.

The previous prime is 20077363. The next prime is 20077403. The reversal of 20077370 is 7377002.

It can be written as a sum of positive squares in 2 ways, for example, as 19864849 + 212521 = 4457^2 + 461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20077370² = 806201572233800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1003859 + ... + 1003878.

Almost surely, 2^20077370 is an apocalyptic number.

20077370 is a deficient number, since it is larger than the sum of its proper divisors (16061914).

20077370 is a wasteful number, since it uses less digits than its factorization.

20077370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007744.

The product of its (nonzero) digits is 2058, while the sum is 26.

The square root of 20077370 is about 4480.7778342605. Note that the first 3 decimals coincide. The cubic root of 20077370 is about 271.7913354226.

The spelling of 20077370 in words is "twenty million, seventy-seven thousand, three hundred seventy".