20263525034 has 4 divisors (see below), whose sum is σ = 30395287554. Its totient is φ = 10131762516.

The previous prime is 20263525013. The next prime is 20263525063. The reversal of 20263525034 is 43052536202.

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., 12700613809 + 7562911225 = 112697^2 + 86965^2 .

It is a super-2 number, since 2×20263525034² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5065881257 + ... + 5065881260.

Almost surely, 2^20263525034 is an apocalyptic number.

20263525034 is a deficient number, since it is larger than the sum of its proper divisors (10131762520).

20263525034 is a wasteful number, since it uses less digits than its factorization.

20263525034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10131762519.

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 20263525034 in words is "twenty billion, two hundred sixty-three million, five hundred twenty-five thousand, thirty-four".