20062543090 has 16 divisors (see below), whose sum is σ = 36253098072. Its totient is φ = 7993790464.

The previous prime is 20062543087. The next prime is 20062543091. The reversal of 20062543090 is 9034526002.

It can be written as a sum of positive squares in 4 ways, for example, as 18746812561 + 1315730529 = 136919^2 + 36273^2 .

It is not an unprimeable number, because it can be changed into a prime (20062543091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3900649 + ... + 3905788.

Almost surely, 2^20062543090 is an apocalyptic number.

20062543090 is a deficient number, since it is larger than the sum of its proper divisors (16190554982).

20062543090 is a wasteful number, since it uses less digits than its factorization.

20062543090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7806701.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 20062543090 in words is "twenty billion, sixty-two million, five hundred forty-three thousand, ninety".