20297252954 has 32 divisors (see below), whose sum is σ = 33412176000. Its totient is φ = 9170979840.

The previous prime is 20297252951. The next prime is 20297252981. The reversal of 20297252954 is 45925279202.

It is a happy number.

It is a super-2 number, since 2×20297252954² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20297252899 and 20297252908.

It is not an unprimeable number, because it can be changed into a prime (20297252951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7778402 + ... + 7781010.

It is an arithmetic number, because the mean of its divisors is an integer number (1044130500).

Almost surely, 2^20297252954 is an apocalyptic number.

20297252954 is a deficient number, since it is larger than the sum of its proper divisors (13114923046).

20297252954 is a wasteful number, since it uses less digits than its factorization.

20297252954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4598.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 20297252954 in words is "twenty billion, two hundred ninety-seven million, two hundred fifty-two thousand, nine hundred fifty-four".