20126577742435 has 16 divisors (see below), whose sum is σ = 24187162487040. Its totient is φ = 16077758415840.

The previous prime is 20126577742363. The next prime is 20126577742463. The reversal of 20126577742435 is 53424777562102.

It is not a de Polignac number, because 20126577742435 - 2¹⁷ = 20126577611363 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17374176 + ... + 18496354.

It is an arithmetic number, because the mean of its divisors is an integer number (1511697655440).

Almost surely, 2^{20126577742435} is an apocalyptic number.

20126577742435 is a deficient number, since it is larger than the sum of its proper divisors (4060584744605).

20126577742435 is a wasteful number, since it uses less digits than its factorization.

20126577742435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127418.

The product of its (nonzero) digits is 19756800, while the sum is 55.

The spelling of 20126577742435 in words is "twenty trillion, one hundred twenty-six billion, five hundred seventy-seven million, seven hundred forty-two thousand, four hundred thirty-five".