20122870034 has 4 divisors (see below), whose sum is σ = 30184305054. Its totient is φ = 10061435016.

The previous prime is 20122870021. The next prime is 20122870081. The reversal of 20122870034 is 43007822102.

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., 18478324225 + 1644545809 = 135935^2 + 40553^2 .

It is a super-2 number, since 2×20122870034² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20122869979 and 20122870006.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5030717507 + ... + 5030717510.

Almost surely, 2^20122870034 is an apocalyptic number.

20122870034 is a deficient number, since it is larger than the sum of its proper divisors (10061435020).

20122870034 is a wasteful number, since it uses less digits than its factorization.

20122870034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10061435019.

The product of its (nonzero) digits is 5376, while the sum is 29.

The spelling of 20122870034 in words is "twenty billion, one hundred twenty-two million, eight hundred seventy thousand, thirty-four".