20025512043 has 8 divisors (see below), whose sum is σ = 27351919056. Its totient is φ = 13024723200.

The previous prime is 20025512021. The next prime is 20025512053. The reversal of 20025512043 is 34021552002.

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

It is not a de Polignac number, because 20025512043 - 2⁵ = 20025512011 is a prime.

It is a super-2 number, since 2×20025512043² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20025512053) 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, 81404398 + ... + 81404643.

It is an arithmetic number, because the mean of its divisors is an integer number (3418989882).

Almost surely, 2^20025512043 is an apocalyptic number.

20025512043 is a deficient number, since it is larger than the sum of its proper divisors (7326407013).

20025512043 is a wasteful number, since it uses less digits than its factorization.

20025512043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162809085.

The product of its (nonzero) digits is 2400, while the sum is 24.

The spelling of 20025512043 in words is "twenty billion, twenty-five million, five hundred twelve thousand, forty-three".