20276090 has 8 divisors (see below), whose sum is σ = 36496980. Its totient is φ = 8110432.

The previous prime is 20276089. The next prime is 20276107. The reversal of 20276090 is 9067202.

It can be written as a sum of positive squares in 2 ways, for example, as 18809569 + 1466521 = 4337^2 + 1211^2 .

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

It is a super-2 number, since 2×20276090² = 822239651376200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013795 + ... + 1013814.

Almost surely, 2^20276090 is an apocalyptic number.

20276090 is a deficient number, since it is larger than the sum of its proper divisors (16220890).

20276090 is a wasteful number, since it uses less digits than its factorization.

20276090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027616.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 20276090 is about 4502.8979557614. The cubic root of 20276090 is about 272.6850971482.

The spelling of 20276090 in words is "twenty million, two hundred seventy-six thousand, ninety".